Goosebumps #57: My Best Friend is Invisible by R L Stine buy used Used & Rare price $6.80 new from$7.99 shop with confidence SPECIAL SHIPPING CONSIDERATIONS FOR USED & RARE ITEMS. Please see the special considerations for shipping Used & Rare items, including extended delivery times, possible import duties & taxes. Delivered in 3-5 weeks Format: Softcover Publisher: Scholastic Paperbacks Condition: The following ISBNs are associated with this title: ISBN - 10:0439922208 ISBN - 13:9780439922203 Seller Comments: A tradition of southern quality and service. All books guaranteed at the Atlanta Book Company. From the Publisher Sammy Jacobs is into ghosts and science fiction. Not exactly the smartest hobby, at least not if you ask Sammy''s parents. They''re research scientists and they only believe in real science. But now Sammy''s met someone who''s totally un-real. He''s hanging out in Sammy''s room. And eating his cereal at breakfast. Sammy''s got to find a way to get rid of his new "friend". Only problem is... Sammy''s new friend is invisible!