The softball drill book 
Kirk Walker,editor 
 - United States  Human Kinetics  2007 
 - xxiv,255p  ill  25cm 
<br/><br/><label>ISBN: </label>0736060707 9780736060707 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Softball training--training<br/>softball--coaching