Narwhal on a Sunny Night: Magic Tree House, Book 33
Brand: Audible

The number one best-selling Magic Tree House series is ready to whisk you away through time with Jack and Annie! This time, meet famous explorer Leif Erikson and help save a narwhal!

When the magic tree house whisks Jack and Annie to Greenland, they're not sure what time they've landed in, but they immediately know what their mission is: save a narwhal! Then, they meet a young hunter named Leif Erikson, and they ask for his help. But Leif has other ideas....

Track the facts with Jack and Annie in the nonfiction companion to this audiobook: Narwhals and Other Whales.

Did you know that there's a Magic Tree House book for every kid?
Magic Tree House: Perfect for listeners who are just beginning chapter books
Merlin Missions: More challenging adventures for the experienced listener
Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures

If you're looking for Merlin Mission 33: Carnival at Candlelight, it was renumbered as part of the rebrand in 2017 as Merlin Mission number five.