| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| BANANAGRAMS®: The Insider Secrets to Help you Become Top Banana! | 978-0-00-758830-5 | 2014 | Collins Dictionaries · Deej Johnson |
| Collins Little Book of Scrabble Secrets | 978-0-00-744314-7 | 2011 | |
| HR Transformation: Building Human Resources From the Outside In | 978-0-07-163870-8 | 2009 | Dave Ulrich · Justin Allen · Wayne Brockbank · Jon Younger |
| The Countdown Quiz Book: Bk.1 | 978-0-09-181263-8 | 1996 | John Meade · Michael Wylie |
HarperCollins · McGraw-Hill · Random House