EASY (IER) KANJI - JLPT 4 KYUU

The left part means 'a word' and the right part means 'to sell.' So a book is a bought word

1) doku, 2) yo(mu) - to read

読みやすい yomi yasui - easy to read
読書 doku sho - reading
読んで下さい yonde kudasai - please read