Mary Pope Osborne

Books

Dinosaurs Before Dark
1992
Tonight on the Titanic
1999
Night of the Ninjas
1995
Dolphins at Daybreak
1997
Summer of the Sea Serpent
2004
Mummies in the Morning
1993

Audiobooks

Magic Tree House Collection: Books 1-8 (Unabridged)
2011
Magic Tree House Collection: Books 9-16: #9: Dolphins at Daybreak; #10: Ghost Town; #11: Lions; #12: Polar Bears Past Bedtime; #13: Volcano; #14: Dragon King; #15: Viking Ships; #16: Olympics (Unabridged)
2003
Magic Tree House: Books 1 and 2: Dinosaurs Before Dark, The Knight at Dawn (Unabridged)
2003
Magic Tree House Collection: Books 17-24 (Unabridged)
2005
Merlin Missions Collection: Books 1-8: Christmas in Camelot; Haunted Castle on Hallows Eve; Summer of the Sea Serpent; Winter of the Ice Wizard; Carnival at Candlelight; and more (Unabridged)
2017
Magic Tree House Collection: Books 25-32: Stage Fright on a Summer Night; Good Morning, Gorillas; Thanksgiving on Thursday ; and more (Unabridged)
2020