Berson, David. <br/><br/>
Celestial navigation:   a practical guide to knowing where you are / 
David Berson. 
 - New York:  Seahorse Publishing,  c2018. 
 - 133 pages :  ill., col.   24 cm. 
<br/><br/><label>ISBN: </label>9781944824020 
<br/><br/><label>LC Class. No.: </label>CIR VK 555  / B47 2018