Let's Get Invisible! (Goosebumps, No. 6)
By R. L. Stine.
Description
When Max stumbles upon a magical mirror that allows him to become invisible, and he and his friends begin playing around with the magic, they soon discover that being invisible is not much fun when they cannot make themselves reappear. - from Amzon
ISBN(s)
059045370X, 9780590453707
