The Next Passage(2000)
(The second book in the Animorphs, Alternamorphs series)
A novel by Katherine Applegate
In a "choose your own adventure" story, the reader must decide what to do when an alien demands a mysterious blue box in return for not killing the reader's character's father.
Used availability for Katherine A Applegate's The Next Passage
April 2000 : USA Library Binding
April 2000 : USA Turtleback
April 2000 : USA Paperback