Please post up your suggestions below...
So far we've got then...
1/ Hey Whipple, Squeeze This - A Guide to Creating Great Advertising by Luke Sullivan.
2/ Business-to-Business Direct Marketing - Proven Direct Response Methods to Generate More Leads and Sales by Robert W Bly
3/ The 22 Immutable Laws of Marketing by Al Ries and Jack Trout
4/ Influence: The Psychology of Persuasion by Robert B. Ciadini, PH.D.
5/ Predictably Irrational - The Hidden Forces Which Shape Our Decisions by Dan Ariely
6/ How to Win Friends and Influence People by Dale Carnegie
7/ The Power to Get In - A Step-by-Step System to Get in Anyone's Door So You Have the Chance to Make the Sale... Get the Job... Present Your Ideas by David McNally
8/ Obvious Adams - The Story of a Successful Businessman by Robert Rawls Updegraff
9/ Guerrilla Marketing by Jay Conrad Levinson
10/ Tested Advertising by John Caples
11/ Direct Marketing by Ed Nash
12/ Ogilvy on Advertising by David Ogilvy
13/ Trust Agents: Using the Web to Build Influence, Improve Reputation, and Earn Trust by Chris brogan and Julien Smith
14/ Don’t Make Me Think by Steve Krug
15/ The 48 Laws of Power by Robert Greene
16/ Purple Cow - Transform Your Business by Being Remarkable by Seth Godin
17/ Cashvertising - How to Use 50 Secrets of Ad-Agency Psychology to Make Big Money Selling Anything to Anyone by Drew Eric Whitman
18/ Commonsense Direct & Digital Marketing by Drayton Bird
19/ Think Two Products Ahead - Secrets the Big Advertising Agencies Don't Want You to Know and How to Use Them for Bigger Profits by David Lakhani
20/ Startling Seeds of the Delaverian Code by John Delavera
21/ Marketing Warfare by Al Ries and Jack Trout
22/ Differentiate or Die by Al Ries and Jack Trout
23/ The Compound Effect by Darren Hardy
24/ Secret Formula - How Brilliant Marketing and Relentless Salesmanship Made Coca-Cola the Best-Known Product in the World by Frederick Allen
25/ 7 steps to freedom II - How to escape the American rat race by Benjamin D Saurez
Keep them coming and I'll update this list as suggestions for the top marketing books come in...
Any more recommendations please?...