de BONO, Edward. The Dog Exercising Machine.

(London): Jonathan Cape, 1970.  First edition.  Hardcover.  20cm by 24.5cm.  168 pages. Children aged four to fourteen were asked to design a dog exercising machine.  This unique book is the result: a collection of extraordinary and wonderful designs incorporating every conceivable device – from a special vibrating loop to exercise the tail to a twenty-foot electric bone to exercise the teeth. The volume provides a fascinating insight to the thinking of children.  A very good copy, previous owner;s name / date to front endpaper, in dust jacket, jacket with closed tear to bottom edge of front panel.  Promotional postcard laid-in.