Mammoth’s Big Adventure: A Young Bison’s Journey Through Yellowstone to Find His Mama is a heartwarming children’s book about Yellowstone National Park , its wildlife, and the special bond between a mother and her calf. On a crisp autumn morning, a playful bison named Mammoth chases three butterflies—and suddenly realizes he’s lost! Determined to find his Mama, Mammoth sets off across geysers, canyons, and meadows, meeting friendly animals like Comet the Coyote , Excelsior the Elk , and Grotto the Grizzly along the way. Through Mammoth’s eyes, young readers discover the incredible sights of Yellowstone—from Old Faithful’s mighty eruptions to the rainbow colors of Grand Prismatic Spring —while learning about wildlife, geography, and courage. This beautifully illustrated story celebrates family, curiosity, and the wonder of nature. Perfect for bedtime or classroom reading, Mammoth’s Big Adventure invites children to fall in love with America’s first national park. Inspired by the author’s family trip to Yellowstone, this is Wendy’s first children’s book —a heartfelt debut that will spark imagination and inspire exploration in kids and adults alike.