Code Breakers: Riveting Reads for Curious Kids (Mega Bites)
Threads Primer: A Guide to Multithreaded Programming
HBR`s 10 Must Reads on Managing Yourself
Head First Excel: A learners guide to spreadsheets (Head First Guides)
John Walkenbachs Favorite Excel 2010 Tips and Tricks (Mr. Spreadsheets Bookshelf)