For my current position, I have had the opportunity to read many interesting books about corporate training/communication. Below are some of my favourites.
 

100 Ideas for Teaching Citizenship

1001 Ways to Make More Money as a Speaker, Consultant or Trainer

101 Activities for Delivering Knock Your Socks Off Service

101 Ways to Improve Customer Service - Training, Tools, Tips, and Techniques

25 Reproducible Activities for Customer Service Excellence

42 Rules for Superior Field Service - The Keys to Profitable Field Service and Customer Loyalty

A Handbook for Measuring Customer Satisfaction and Service Quality

A Hotel Manager's Handbook - 189 Techniques for Achieving Exceptional

ACRP Guidebook for Managing Small Airports

Ace Your Case - Consulting Interview

Achieving Excellence Through Customer Service

Administrative Assistant Secretary Career Starter

Administrative Assistant's and Secretary's Handbook

Aftersales Management - Creating a Successful Aftersales Strategy

Agile Product Management

Airline Marketing and Management

Airline Operations and Scheduling

Airport Design and Operation

Airport Planning and Management

Airport Systems - Planning, Design, and Management

An Intercultural Approach to English Language Teaching

An Introduction to Medical Teaching

Be My Guest - Hotel English

Be Your Customer's Hero - Real-World Tips & Techniques for the Service Front Lines

Be a Successful Consultant

Best Practices for Teaching Social Studies

Best of Class - Building a Customer Service Organization

Bottom-Line Call Center Management

Branded Customer Service - The New Competitive Edge

Branding Yourself

Brilliant Customer Service

Business Relationship Management and Marketing Mastering

Business Travel and Tourism

Check Your English Vocabulary for Leisure Travel and Tourism

Chief Customer Officer - Getting Past Lip Service to Passionate Action

Choosing and Using Consultants and Advisors

Citizenship and Political Education Today

Codes of Ethics in Tourism

Commonsense Direct Digital Marketing

Conferences and Conventions

Contemporary Marketing

Context and Cultural in Language Teaching

Corporations and Citizenship

Creating Customer Connections

Creative Teaching - Getting it Right

Culture Bound - Bridging the Cultural Gap in Language Teaching

Customer Satisfaction Evaluation

Customer Service (Management Pocketbook Series)

Customer Service - New Rules for a Social Media World

Customer Service Delivery - Research and Best Practices

Customer Service Intelligence - Perspectives for Human Resources and Training

Customer Service Letters Ready to Go

Customer Service Operations - The Complete Guide

Customer Service Training (ASTD Trainer's Workshop)

Customer Service Training 101 - Quick and Easy Techniques That Get Great Results

Customer Service for Dummies

Customer Tells - Delivering World-Class Customer Service

Customer-Centered - Telecommunications Services Marketing

Customize the Brand - Make it More Desirable and Profitable

Deliver Outstanding Customer Service - Gain and Retain Customers

Delivering Effective Social Customer Service

Dictionary of Leisure, Travel and Tourism

Dictionary of Travel and Hospitality

Distribution Channels - Understanding and Managing Channels to Market

Does History Matter - Debating Citizenship

ESL - Make Your Mark in Food Service

Effective Customer Care - Understand Needs, Improve Service, Build Relationships

English Language Teaching in the Social Context

English for Business Communication

English for Business Studies

English for Customer Care

English for International Tourism

English for Personal Assistants

Entrepreneurship in the Hospitality, Tourism and Leisure Industries

Event Sponsorship

Events Design and Experience

Everyday English for Hospitality Professionals

Exceptional Service, Exceptional Profit

Excuses, Excuses, Excuses...for Not Delivering Excellent Customer Service

Exhibit Marketing and Trade Show Intelligence

Food Marketing to Children and Youth - Threat or Opportunity

From Secretary Track to Fast Track - The Get Ahead Guide for Administrative Assistants

Global Alliances in Tourism and Hospitality Management

Global Call Centres - Achieving Outstanding Customer Service Across Cultures and Time Zones

Global Hospitality and Tourism Management Technologies

Global Tourism, 3rd Ed

Great Customer Connections - Simple Psychological Techniques that Guarantee Exceptional Service

Great Customer Service on the Telephone

Guerrilla Marketing for Consultants

Handbook of Social Capital

Happy About Customer Service - Creating a Culture of Customer Service Excellence

High Season - English for the Hotel and Tourist Industry

High Value Consulting

High-Tech, High-Touch Customer Service

Highly Recommended - English for the Hotel and Catering Industry

Hiring and Keeping the Best People

Hiring the Best

Hospitality Business Development

Hospitality Security

Hotel Convention Sales, Services, and Operations

Hotel Development in China

Hotel English - Workplace Solutions

Hotel Front Office Management

How to Design a WOW Trade Show Booth without Spending a Fortune

How to Make it Big as a Consultant

How to Prepare, Stage, and Deliver Winning Presentations

How to Run a Great Hotel

In Search of Hospitality (Hospitality, Leisure and Tourism)

Inside Words - Teaching Academic Vocabulary

Intercultural Aspect of Customer Management

Intercultural Customer Service Encounters

Intercultural Handbook of English Language Teaching

Intercultural Language Teaching and Learning

International Migration and Citizenship Today

International Tourism Cultures and Behavior

International Tourism

Introduction to the Hospitality Industry

It's All about Service - How to Lead Your People to Care for Your Customers

Knowledge Management in Hospitality and Tourism

Learning Citizenship

Learning Points - 80 Activities and Actions for Call Center Excellence

Learning the Lingo - Top 20 Product Management Terms

Magnetic Service - Secrets for Creating Passionately Devoted Customers

Making Your Mark in Hotel Industry

Management Consultancy - A Handbook of Best Practices

Management Models for Corporate Social Responsibility

Management in the Airline Industry

Managing Airports

Managing Quality Service in Hospitality

Managing Volunteers

Managing in the Email Office

Marketing Communications in Tourism and Hospitality

May I Help You - English in Tourism (for service providers)

May I Help You - Great Customer Service for Small Business

Media Strategies for Marketing Places in Crisis

Modern Analysis of Customer Surveys

Modern Language - Learning and Teaching in an Intercultural Field

Opportunities in Airline Careers

Opportunities in Customer Service Careers

Organizing Magic

Over 66 Tips & Tricks to Supercharge Your Trade Show Promotions

Oxford English for Careers - Tourism

Perfect Phrases for Customer Service

Perspectives of Corporate Social Responsibility

Persuasive Proposals and Presentations

Planning Lessons and Courses

Planning Successful Meetings and Events

Positively Outrageous Service

Practical Handbook of Customer Service Operations

Product Management and Marketing

Product Strategy and Management

Product and Services Management

Professional Event Coordination

Propose, Prepare, Present

Protecting Airline Passengers in the Age of Terrorism

Qualitative Data Analysis with ATLAS ti

Qualitative Research - A Guide to Design and Implementation

Qualitative Research - Studying How Things Work

Quick Medical Terminology

Reaching the Interactive Customer - Integrated Services for the Digital World

Real Resumes for Customer Service Jobs

Real-World Customer Service

Recruiting, Interviewing, Selecting and Orienting New Employees

Restaurant Service

Retail Marketing and Sales Performance

Rural Tourism Development - Localism and Cultural Change

Secret Service - Hidden Systems That Deliver Unforgettable Customer Service

Self Marketing Power

Selling the Invisible

Service Magic - The Art of Amazing Your Customers

Shortcuts for Teaching Phonics

Social Capital and Economic Development

Sociolinguistics and Language Teaching

Soft Landing - Airline Industry Strategy, Service, and Safety

Speaking of Speech

Stand Out - Develop a Personal Brand

Storytelling as a Method of ESL Teaching

Strategic Communication in Crisis Management - Lessons from the Airline Industry

Strategic Customer Service - Managing the Customer Experience

Strategic Management - Concepts and Cases

Strategic Management and Competitive Advantage Concepts and Cases

Success on Your Certificate Course in English Language Teaching

Successful Event Managment

Successful Interviewing and Recruitment

Super Service - Seven Keys to Delivering Great Customer Service

Support Center Complete Handbook

Sustainable Tourism

Teaching Academic ESL Writing

Teaching Citizenship

Teaching Happiness and Well-Being in Schools

Teaching How to Learn in a What to Learn Culture

Teaching Intensive and Accelerated Courses

Teaching Speaking and Listening in the Primary School

Teaching Tips

Teaching Unprepared Students

Teaching What You Don't Know

Teaching and Assessing Intercultural Competence

Teaching and Learning in a Diverse World

Techniques in Teaching Vocabulary

Tell to Win - Connect, Persuade, and Triumph with the Hidden Power of Story

Ten Knockout Strategies for Recruiting, Interviewing, and Hiring Great People

Test Your Business English, Hotel and Catering

The Advanced Project Management Office

The Airline Business in the 21st Century

The Airline Industry - Challenges in the 21st Century

The Art of Discussion Based Teaching

The Art of Lecturing

The Art of Selling to the Affluent

The Best Service is No Service - How to Liberate Your Customers from Customer Service

The Big Book of Customer Service Training Games

The Buzz - 50 Little Things That Make a Big Difference to Worldclass Customer Service

The Chief Learning Officer

The Consultant's Legal Guide

The Consultant's Quick-Start Guide

The Customer Rules - The 39 Essential Rules for Delivering Sensational Service

The Definitive Guide to Marketing Planning

The Definitive Personal Assistant & Secretarial Handbook

The Event Manager's Bible

The Frequent Traveler's Guide

The Global Airline Industry

The Kindness Revolution

The Lean Startup

The Nordstrom Way to Customer Service Excellence

The Top 40 Product Management Interview Questions

The Ultimate Online Customer Service Guide

Theories of Social Capital

Tips for Teaching Pronunciation

Tools for Teaching

Tourism Development - Economics, Management and Strategy

Tourism Matters

Tourism and Entrepreneurship

Tourism and Generation Y

Tourism and Social Identities (Advances in Tourism Research)

Tourism and Tourism Spaces

Tourism in China

Transport and Tourism - Global Perspectives

Trends and Issues in Global Tourism 2011

Unconscious Branding

Understanding Tourism

Unleashing Excellence - The Complete Guide to Ultimate Customer Service

Values in English Language Teaching

Virtual Apprentice - Airline Pilot

Vocabulary for Hotels and Tourism

Welcome! - English for the Travel and Tourism Industry

What Customers Like About You

What People Want - A Manager's Guide

What the Best College Teachers Do

What to Say to a Porcupine - 20 Humorous Tales That Get to the Heart of Great Customer Service

When Customers Talk... Turn What They Tell You into Sales

Whole Class Teaching

Winning the Reputation Game - Creating Stakeholder Value and Competitive Advantage

Workplace English - Workplace Solutions

Wow - That's What I Call Service