El libro del futuro

What if you received a letter you yourself had written, fifteen years ago? And if that letter showed you the place where some treasure had been buried? Your future 'you' is sending you this book so that you can help him or her always to remember who you are today. And also who you'll want to be tomorrow. • Part book, part time-capsule. Activities book for boys and girls with 46 pages full of creative suggestions, all seeking to create a faithful portrait of the reader's childhood. • 1% of the profits of this book's sales will be used to fund the research of scientist Ronald Mallet into building a time travel machine.