Seatbelts, everyone. Next stop...under the sea in this beginning reader packed with fun science facts. Based on the NETFLIX animated series! When Dorothy Ann accidentally loses Jyoti's high-tech locket in the ocean, it's all aboard the Magic School Submarine to retrieve it! Down they go through the layers of the sea, amazed by some of Earth's most unusual animals. But when their bus loses power at the darkest depths, can the kids find inspiration from the creatures they find there to turn their luck around?