Enter the time machine, set the controls for "The Past",
hit the big red button and travel back to another age.
I warn
you though, you may never want to come back...

Fire, bed and bone
by Henrietta Branford (1997)

by Morris Gleitzman (2005)
First book in the Felix and Zelda series

The silver donkey
by Sonya Hartnett (2004)

War horse
by Michael Morpurgo (1982)
First book in the Warhorse series

Island of the blue dolphins
by Scott O'Dell (1960)
First book in the Island of the blue dolphin series

Wolf brother
by Michelle Paver (2004)
First book in the Chronicles of ancient darkness series
A long way from Chicago
by Richard Peck (1998)
First book in the Grandma Dowdel series

I am the great horse
by Katherine Roberts (2007)

The silver sword
by Ian Serraillier (1956)

Becoming Joe DiMaggio
by Maria Testa (2002)

Cue for treason
by Geoffrey Trease (1940)

Wolf Hollow
by Lauren Wolk (2016)

by Leon Garfield (1967)
Coram boy
by Jamila Gavin (2000)

Out of the dust
by Karen Hesse (1997)

Forest of bones
by David Kennett (2014)
The thieves of Ostia
by Caroline Lawrence (2001)
First book in the Roman mysteries series

by Jerry Spinelli (2003)

The eagle of the ninth
by Rosemary Sutcliff (1954)
First book in the Eagle of the ninth series