Written by Joan M. Lexau
Illustrated by Syd Hoff
This is an easy reader book about a mystery in Sam and Amy Lou’s classroom. Sam and Amy Lou are two classmates who do not get along. Amy Lou is always trying to help Sam and Sam does not want Amy Lou bugging him all the time. Upset with Amy Lou, Sam makes a less than nice valentine for her. This is a mystery about who gave Sam’s valentine card (which was intended for Amy Lou) to the teacher.