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| Written by | Mary Tillworth |
| Illustrator | Joe Mathieu |
| Published | 2016 |
| Publisher | Random House |
| Series | Books for Young Readers |
| ISBN | 1101938404 |
Who's Afraid of Monsters? is a 2016 Sesame Street storybook. Elmo's mother helps Elmo and Zoe to prepare their costumes for Halloween.