Weakland, Mark,

Scooby-Doo! an addition mystery the case of the angry adder by Mark Weakland ; illustrated by Scott Gross. -- North Mankato, Minnesota Capstone Press, a Capstone Imprint 2015.

24 pages color illustrations 27 cm.

ISBN:  9781491415399

Includes bibliographical references and index. 

1. Snakes -- Juvenile literature.  2. Addition -- Juvenile literature. 

I. Gross, Scott illustrator. 

JT