ISBN-13: 9781453835449 / Angielski / Miękka / 2010 / 36 str.
ISBN-13: 9781453835449 / Angielski / Miękka / 2010 / 36 str.
Parents and children alike will treasure this delightful little book, and soon enough our kids will be the ones teaching us the ways of smart, sustainable energy. A marvelous contribution that couldn't be more timely