Barney and the UFO (Republished as: The boy from the UFO)

Barney's adoption is not yet finalized, and he is insecure about his new parents' love. In his state of anxiety, he falls prey to the enticements of Tibbo, a young alien, who offers him a trip to his home planet. When Barney discovers how deep his ties to his new family and community really are - and finds out that Tibbo neglected to mention that he'll be away for 100 years - it may be too late to back out!

From cover: Tibbo, the boy from the UFO, has special powers. Nothing can withstand them. Now Tibbo is ready to leave for his own planet, Ornam. He plans to take Barney with him and keep him there for 100 years. Tibbo isusing his special power to force Barney out of his house, across the field, toward the spaceship....