In the middle of the night, something extraordinary happens: Sock has disappeared! From that moment on, Vega and her sister Nora will go into a cave, dive into a cenote, and even climb a high tower in their quest for the lost Sock.

Mar Cantero, with her brilliant style and her delicacy for human sentiment, treats us to a moving story about the bravery of women that spans the 20th century, inspired in the first Spanish aviators, caught up in adventure, love and hope for the f

The game of learning is infinite. With this book, little ones will be able to discover inverse universes following the thread of shapes and colours. Simplicity in its purest form.