Slappy Birthday to You is book 1 of the SlappyWorld series by R.L. Stine, one of the newest series of Goosebumps books written for the Scholastic Corporation. This book is available here in paperback format and is signed by it's author, R.L. Stine.
This book was generously donated to us by it's author, R.L. Stine. All proceeds go to Worldbuilders, a geek-centered nonprofit supporting humanitarian efforts worldwide.
Goosebumps - SlappyWorld: Slappy Birthday to You by R.L. Stine added to cart!