Penguin Readers is a graded reading series for English Language Teaching (ELT) markets, designed for teenagers and young adults learning English as a foreign or second language. In Yukon, Canada during the 1890s Klondike Gold Rush, strong sled dogs are in high demand. Buck is stolen from his comfortable home in California and sold into service as a sled dog in Alaska. Will he survive life in the wild? Penguin Readers is a series of the best new fiction, essential non-fiction and popular classics written for learners of English as a foreign language. Beautifully illustrated and carefully adapted, the series introduces language learners around the world to the bestselling authors and most compelling content from Penguin Random House. The eight levels of Penguin Readers follow the Common European Framework and include language activities that help readers to develop key skills. The Call of the Wild, a Level 2 Reader, is A1+ in the CEFR framework. Sentences contain a maximum of two clauses, introducing the future tenses will and going to, present continuous for future meaning, and comparatives and superlatives. It is well supported by illustrations, which appear on most pages.