ISBN-13: 9781406320299 / Angielski / Miękka / 2009 / 40 str.
ISBN-13: 9781406320299 / Angielski / Miękka / 2009 / 40 str.
A simple book for small children where transforming pages reveal ten things that everyone can do to help conserve their world. Many of them, such as turning off the television properly, walking to school and turning off lights when leaving a room, are about conserving energy.