Marty Onster's parents want him to be the best monster he can be--especially for Halloween! Marty doesn't want to be scary though. He wants to be Mega Boy. When Bart Ully shows up as a monster, what shape will Marty's costume really take? Looking Glass Library is an imprint of Magic Wagon, a division of ABDO Group. Grades P-4.

Marty Onster is excited to work with clay in his art class, but when Bary Ully ruins his sculpture, Marty turns into an angry monster boy.

When Valentine's Day comes round, Marty Onster wants to let his best friend Sally Weet know how much he likes her, even if Bart Ully's behavior brings out the monster in him.

Marty Onster attends Scary Scout camp even though he has trouble being a monster, but when he overhears Burt Ully making fun of him to the scouts of Super Scout camp, he finds it difficult to control his reaction.

When school is closed because of snow, Marty Onster and his best friend Sally Weet go sledding until Bart Ully and his pals build a dangerous jump at the bottom of the hill and dare Marty and Sally to use it.

Halloween is here! It’s time for all the neighborhood children to put on their costumes, march in a Halloween parade, have fun at a party, and head out for some trick-or-treating. This exuberantly rhymed celebration of Halloween includes two sheets of stickers.

Children dressed in monster costumes attend a community party, march in a Halloween parade, and go trick-or-treating.