It is a very cold winter. The birds are hungry and dangerous. There are thousands and thousands of birds and they want to kill and to eat. Then they attack.
Penguin Readers are simplified texts designed in association with Longman, the world famous educational publisher, to provide a step-by-step approach to the joys of reading for pleasure. Each book has an introduction and extensive activity material. They are published at seven levels from Easystarts (200 words) to Advanced (3000 words).