KNIGHT, Hilary (b. 1926). "Sing Out for Books." Pencil on board with ink on vellum overlay of 6 children (3 girls and 3 boys) and two bugs dancing and singing, holding large books with the "sing out for books" written on the covers. Instructions to printer on separate sheet (possibly the illustrator's) and printer's notes in red and black below image. Image 136 x 524 mm; Sheet 239 x 597 mm. Signed on image lower right.