"Readers (Primary) Juvenile literature." . . "JUVENILE NONFICTION Language Arts Vocabulary & Spelling." . . "ABDO Digital (Firm)" . . . . . . "-En as in pen"@en . "-En as in pen" . . . "Introduces, in brief text and illustrations, the use of the letter combination \"en\" in such words as \"pen,\" \"seven,\" \"then,\" and \"wren.\""@en . "Introduces, in brief text and illustrations, the use of the letter combination \"en\" in such words as \"pen,\" \"seven,\" \"then,\" and \"wren.\"" . . . . . . "Electronic books"@en . "-en as in pen"@en . . . . "Downloadable ABDO ebooks"@en . . .