Method Books
Many of the method books can also be found at The String House

(Level will be recommended at the first lesson)

Jump Right In: Instrumental Series for Strings

https://www.giamusic.com/products/P-jumprightininstrumental.cfm​

Pricing from the GIA Website

$6.50 for Book 1 and 2 each

$16.50 for Book 1 and 2 with CD each

$9.90 for Solo Book 1A and 1B each

$5.50 for Solo Book 2 and 3 each

Suzuki Books

https://www.amazon.com

(Search Suzuki 'violin, viola, or cello' Book '1, 2, 3, 4, 5 or 6')

Pricing from Amazon

~$6.48 for Suzuki Book 1 (for violin, viola, cello)

~$8.99 for Suzuki Book 2, 3, 4, 5, and 6 (for violin, viola, cello)​ per book

Faber Piano Adventures

https://www.amazon.com

(Search Faber Piano Adventures with the level)

Pricing from Amazon

~$7-10 per book