Read Series: The Fireball Trilogy
by Author John Christopher
Book
Dragon Dance (1986)
Simon and Brad's fireball adventures take them to ancient China where they are exposed to incredible practices of mind control.
Book
New Found Land (1983)
Encountering a fireball which turns out to be a crossing point between their world and another one on a different probability track, two boys, one English and one American, face Indians, Vikings and Aztecs in their attempts to reach California. Sequel of Fireball.
Book
Fireball (1981)
Two boys are drawn by a fireball into a society, parallel to 20th-century England, which has many of the characteristics of Roman Britain. John Christopher is the pseudonym of Samuel Youd.