A fun and informative read describing how waste from cows, dogs and even humans can be used to power our cities. A celebration of green energy! Plop! The Secrets of Poo Power is a book-banded readig book for developing readers, carefully levelled at Purple Book Band for guided reading. Illustrated throughout with beautiful photographs, this 578-word non-fiction book is suitable for ages 7 - 8. The Secrets of Poo Power features a more demanding text with an extended vocabulary. With a wider vocabulary, the characters are more three dimensional, and illustrations are less important. It encourages more independent reading. The Secrets of Poo Power is part of Ransom Reading Stars, a structured programme for children learning to read. The series has fifteen levels: four phonics levels and eleven book band levels (Pink through to Lime).