Raina Telgemeier meets Miyazaki with a Latin American twist in this mesmerizing follow-up to the best-selling children's graphic novel Nightlights. On a school field trip to the river, Sandy wanders away from her classmates and discovers an empty turtle shell. Peeking through the dark hole, she suddenly finds herself within a magical realm. Filled with sculptures, paintings, and books, the turtle's shell is a museum of the natural world. But one painting is incomplete, and the turtle needs Sandy's help to finish it.