The Case of the Diamonds in the Desk (Book 8)

Lewis B. Montgomery is the pen name of a writer whose favorite authors include CSL, EBW, and LMM. Those initials are a clue—but there’s another clue, too. Can you figure out their names? Lewis lives in eastern Pennsylvania and also writes under the pen names Eleanor May and Nan Walker.

Amy Wummer has illustrated more than 50 children’s books. Amy and her husband, who is also an artist, live in Pennsylvania.