Magic Tree House Books # 30,31, 36, 38,39, 40,42

Description

set of 7 books includes the following 30. Haunted Castle on Hallow's Eve 31. Summer of the Sea Serpent 36. Blizzard of the Blue Moon 38. Monday with a Mad Genius 39. Dark Day in the Deep Sea 40. Eve of the Emperor Penguin 42. A Good Night for Ghosts - from Amzon