The Unofficial LEGO Technic Builder's Guide, 2nd Edition | No Starch Press
The Unofficial LEGO Technic Builder's Guide, 2nd Edition Children's Book by Paweł 'Sariel' Kmieć | Discover Children's Books, Audiobooks, Videos & More on Epic
JimBricks
Das 'inoffizielle' LEGO®-Technic-Buch: Kreative Bautechniken für realistische Modelle by Paweł "Sariel" Kmieć (3 star ratings)
The Unofficial LEGO Technic Builder's Guide, 2nd Edition | No Starch Press