Key publishers whose works are represented in this compilation include: (Oxford Bookworms Library) Pearson (Penguin Readers) Cambridge English Readers Macmillan Readers Heinemann Core Content and Popular Titles
The is a widely referenced digital compilation, originally released in early 2012, that serves as a massive repository of language-learning books. This "mega collection" is essentially a historical "time capsule" of the graded reader market from the early 2010s, featuring titles from nearly every major ELT (English Language Teaching) publisher. What is the English Graded Readers Mega Collection? english graded readers mega collection 1522012
The collection is structured by difficulty levels, often defined by headword counts (e.g., Level 1 might use 300–400 headwords, while Level 6 uses over 2,500). Key publishers whose works are represented in this