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