Travis DavenThorpe for the Win! - Travis Daventhorpe #1 by Wes Molebash

Travis Daventhorpe may be a genius, but he's always struggled to make friends. After his attempt to befriend new kid Juniper Reyes results in an epic fail, Travis takes his sentient flying robot, Travbot, out for a ride. But when Travbot malfunctions, the two take a nosedive into the woods. There, they discover a legendary sword, a wizard from another dimension, and a mysterious Travis Daventhorpe is destined to save the multiverse!