Learn all about the mysterious and exciting legends of the gods and heroes in Ancient Greece, from the birth of Heracles and the adventures of Theseus, to the first fall of Troy and the battle of the giants. 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. Starter level Readers, are A1 in the CEFR framework. Level 7 Readers, are B2 in the CEFR framework. The longer text is made up of sentences with up to four clauses, introducing future perfect simple, mixed conditionals, past perfect continuous, mixed conditionals, more complex passive forms and modals for deduction in the past.