Weakland, Mark,

Scooby-Doo! a subtraction mystery the case of the disappearing doughnuts by Mark Weakland ; illustrated by Scott Gross. -- North Mankato, Minnesota Capstone Press, a Capstone Imprint, 2015 .

24 pages color illustrations 27 cm.

ISBN:  9781491415405

Includes bibliographical references and index. 

1. Subtraction -- Juvenile literature.  2. Doughnuts -- Juvenile literature. 

I. Gross, Scott illustrator. 

JF