Meet Charlie, an ever-inquisitive monkey, and his best friend Trike, a calm ceratopsian dinosaur with vital faith answers, as they wind their way along the rim of the Grand Canyon, and take a mule trip with their guide Captain Wes down into this incredible landscape. Experience the adventure each time you read this unforgettable book with its pull-out features, maps, flaps, and a panoramic three-page Canyon drawing!