Merriam-Webster's Essential Learner's English Dictionary

Merriam-Webster’s Essential Learner’s English Dictionary - For ESL, EFL, ELL, & TEFL Study & Instruction

Merriam-Webster’s Advanced Learner’s English Dictionary - For ESL, EFL, ELL, & TEFL Study & Instruction

Merriam-Webster’s Everyday Language Reference Set - Dictionary, Thesaurus & Vocabulary Builder: Includes: The Merriam-Webster Dictionary, The ... and The Merriam-Webster Vocabulary Builder