In the US:

For further information on the TIMELINE series visit Steck Vaughn, an imprint of Harcourt Achieve.  To order TIMELINE titles contact Steck Vaughn at 1 800 531-5015 or click here to contact your local sales representative.

In Canada:

For further information on the TIMELINE series visit Scholastic Canada.  To order TIMELINE titles contact Scholastic Education at 1 800 268-3848 or click here to contact your local Scholastic Canada sales representative.