1. Diy Advanced Model Railroad Signaling Electronics : Sensors, Interactivity, Track Control
by Kerr, J. Richard, Ph.d. 
Price: USD 25.35
Dealer: Abebooks, GreatBookPrices
Description: ISBN10: 1517602246, ISBN13: 9781517602246, [publisher: CreateSpace Independent Publishing Platform] Softcover [Columbia, MD, U.S.A.] [Publication Year: 2015]  

2. Diy Advanced Model Railroad Signaling Electronics : Sensors, Interactivity, Track Control
by Kerr, J. Richard, Ph.d. 
Price: USD 37.35
Dealer: AbebooksUK, GreatBookPricesUK
Description: ISBN10: 1517602246, ISBN13: 9781517602246, [publisher: CreateSpace Independent Publishing Platform] Softcover [Castle Donington, DERBY, United Kingdom] [Publication Year: 2015]  

3. DIY Advanced Model Railroad Signaling Electronics: Sensors Interactivity Track Control
by J Richard Kerr Phd 
Price: USD 38.14
Dealer: Biblio, The Saint Bookstore
Description: Paperback / softback. New. ISBN 1517602246 9781517602246 [GB] 

4. DIY Advanced Model Railroad Signaling Electronics: Sensors Interactivity Track Control
by Kerr PhD J. Richard 
Price: USD 58.33
Dealer: Biblio, Bonita
Description: paperback. Good. Access codes and supplements are not guaranteed with used items. ISBN 1517602246 9781517602246 [US] 

5. DIY Advanced Model Railroad Signaling Electronics: Sensors Interactivity Track Control
by Kerr PhD J. Richard 
Price: USD 29.67
Dealer: Biblio, Ergodebooks
Description: CreateSpace Independent Publishing Platform, Date: 2015-10-14. Paperback. Used: Good. CreateSpace Independent Publishing Platform ISBN 1517602246 9781517602246 [US] 

6. DIY Advanced Model Railroad Signaling Electronics: Sensors Interactivity Track Control
by Kerr Phd J. Richard 
Price: USD 20.89
Dealer: Biblio, ThriftBooks
Description: Createspace Independent Publishing Platform, Date: 2015. Paperback. Good. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.Dust jacket quality is not guaranteed. 2015. Createspace Independent Publishing Platform ISBN 1517602246 9781517602246 [US] 

7. DIY Advanced Model Railroad Signaling Electronics: Sensors, Interactivity, Track Control
by Kerr Phd, J Richard 
Price: USD 20.12
Dealer: Alibris
Description: Createspace Independent Publishing Platform 2015 Trade paperback New. Trade paperback (US). Glued binding. 158 p. 

8. DIY Advanced Model Railroad Signaling Electronics: Sensors, Interactivity, Track Control
by Kerr Phd, J. Richard 
Price: USD 20.89
Dealer: Abebooks, ThriftBooks-Dallas
Description: ISBN10: 1517602246, ISBN13: 9781517602246, [publisher: Createspace Independent Publishing Platform] Softcover Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less 0.84 [Dallas, TX, U.S.A.] [Publication Year: 2015]  

9. Diy Advanced Model Railroad Signaling Electronics: Sensors, Interactivity, Track Control
by Kerr Phd, J. Richard 
Price: USD 50.33
Dealer: Alibris, Bonita via Alibris
Description: CreateSpace Independent Publis 2015 paperback Good Access codes and supplements are not guaranteed with used items. May be an ex-library book. 

10. Diy Advanced Model Railroad Signaling Electronics: Sensors, Interactivity, Track Control
by Kerr Phd, J. Richard 
Price: USD 83.79
Dealer: Alibris, Bonita via Alibris
Description: CreateSpace Independent Publis 2015 paperback New 

11. Diy Advanced Model Railroad Signaling Electronics: Sensors, Interactivity, Track Control
by Kerr Phd, J. Richard 
Price: USD 19.74
Dealer: Alibris, ThriftBooks-Reno via Alibris
Description: Createspace Independent Publishing Platform 2015 Softcover Good Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.