Boston: Houghton Mifflin Company, 1966. First edition. Small 4to. 48 pp. Publisher's yellow cloth, decorated in red, front and rear boards soiled; soiling in upper fore-edge of text block, just extending into some leaves; abrasion in lower front hinge, with loss and short closed tear in bottom of front free endpaper; scattered largely light soiling to text; small stain in lower gutter edge of text, beginning at p. 35 to rear paste-down; occasional wear in lower gutter; small abrasion and wear in lower rear hinge; in original pictorial dust-jacket, $3.25 price in upper front flap corner, bottom of front flap clipped, slight remnant of removed sticker on front panel, spine lightly faded; small chips and short tear at spine ends and along edges.

The scarce sixth book in the Curious George series, published in collaboration the Children's Hospital Medical Center in Boston.