I'll be using newer textbooks for next year, but I don't see them available here yet so just making a topic to ask the relevant people to include the following textbooks in:
Cheonjae Grade 3 Book (천재교육): Elementary School English 3
Authors (first and last listed): 함순애, Reichmuth
Description: Orange background with a blue monster holding up the letter 'J'
Cheonjae Grade 4 Book (천재교육): Elementary School English 4
Authors (first and last listed): 함순애, Reichmuth
Description: Blue background with a blue monster in a space suit
Book images attached