Old Brown was angry. Squirrel Nutkin took his glasses and lost them! Can Peter Rabbit and his friends help? Ladybird Readers is a series of traditional tales, modern stories, and nonfiction, written for young learners of English as a foreign language. The series follows the CEFR framework and includes language activities that help develop key skills and can provide preparation for the Cambridge English: Young Learners (YLE) exams. Text adapted by Sorrel Pits.