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 new dimension. 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...

Lorena Alvarez was born and raised in Bogotá, and studied Graphic Design and Arts at the Universidad Nacional de
Colombia. She has illustrated for Puffin Books, Faber & Faber, Usborne Books, Parragon, Boom! Studios, Nickelodeon and Disney. Since 2008, she has been part of "La Procesión Puppet Club", an experimental puppetry group of illustrators and visual artists.