Mary Pope Osborne
Author
Series
Magic tree house volume 39
Summary
"Jack and Annie are whisked away to Mongolia to meet the near-extinct little horses and their caretakers, but can they help protect the last of the horses from predators?"--
Author
Series
Magic tree house volume 8
Summary
The magic treehouse takes Jack and Annie to a moon base in the future, where they continue to search for the fourth thing they need to free their friend Morgan from the magician's spell.
Author
Series
Mary Pope Osborne's Magic tree house volume 6
Summary
"Retells, in graphic novel form, the tale of eight-year-old Jack and his younger sister, Annie, who are whisked away to the Amazon rainforest for a high-stakes adventure"--