(3) K-3 This catchy title relates Ruth Wakefield's successful career as a baker and restaurateur as well as the lore surrounding how exactly her invention of the chocolate chip cookie came about; the three speculated versions of the cookies' creation make for an interesting tale. Ford's bright, cartoony illustrations' vintage aesthetic brings out the Depression-era setting. An author's note and the original recipe are appended. Bib.

Reviewer: Christina Dorr

(4) 4-6 Inventors at Work! series. Highlighting mainly lesser-known inventors of well-known products, these books straightforwardly relate the history, science, process of discovery, and the challenges each person faced in developing his or her invention. The accurate but sometimes fragmented narratives are supplemented by photos, sidebars, diagrams, and a four-page appendix about how to develop an innovative idea into an invention. Reading list, timeline, websites. Glos., ind. Review covers these Inventors at Work titles: The Chocolate Chip Cookie Queen, Scuba Man, The Coolest Inventor, Microwave Man, The Woman Who Invented Windshield Wipers.

Reviewer: Jack Forman