Just Doing My Job: Stories of Service from World War II (April 2009, Santa Monica Press)
Calculated Risk: The Extraordinary Life of Jimmy Doolittle (2005, Santa Monica Press)
Both books are available through most major booksellers and can be purchased directly through Amazon.com from the links below.
Other books about Jimmy Doolittle:
I Could Never Be So Lucky Again by James Doolittle and C. V. Glines.