A summer trip to her grandparents' house was going great until Jesse gets caught up in a mystery in the attic. When she encounters a pair of spooky green eyes during a lightning storm, Jesse sets out to use engineering skills to solve the Case of the Clicking Clock. Includes a makerspace activity applying engineering skill to making a potato clock.

"Solving Mysteries Through Science, Technology, Engineering, Art & Math." "Includes hands-on activity."-Page [4] of cover.