ISBN: 9780596153748
Buy on O'Reilly
Found 2 comments on HN
bockris · 2010-06-22 · Original thread
Make: Electronics by Charles Platt is a very good beginners book with lots of projects. Not Arduino specific though.

renkeyes · 2009-10-01 · Original thread
I just saw this might fit the bill:

"Make: Electronics -- Learning Through Discovery" By Charles Platt; Released: December 2009 (est.) ; "With this practical introductory guide, you'll learn important concepts while you work on real projects."

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