How to design & build children's play equipment / 
Edt. Barbara Ferguson ; Jay Beckwith, Craig Bergquist, Ron Hildebrand. 
 - San Francisco, Calif. :  Ortho Books,  1986. 
 - 96 p. :  col. ill. 
 - Ortho library .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0897210751 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Playgrounds--Equipment and supplies--Design and construction.