![With the Dinosaurs (Andrew Lost)](http://adleinternational.com/cdn/shop/products/9780375829512_{width}x.jpg?v=1578612820)
When Beeper accidentally releases the escape hatch to the Time-a-Tron, the time travelers must protect themselves from the world's most fearsome creature, Tyrannosaurus rex.
When Beeper accidentally releases the escape hatch to the Time-a-Tron, the time travelers must protect themselves from the world's most fearsome creature, Tyrannosaurus rex.