1200 Key English Words is a three-book series designed to provide
a solid foundation in vocabulary for a wide age range of
beginners. The words chosen for the series come from an
analysis of the most commonly found words in textbooks
and materials for English language learners. The 400 words
presented in each level provide learners with 1,200 practical,
high-frequency English words.

Track13 (Unit 10)

Global English Education Company

Seed Learning Inc. was established to provide the best language learning products and service for the development of resources to match the needs of English learners in the 21st century.