We  combine shipping, It should automatically apply at checkout, this however does not work in the app. If it does not combine please ask for an invoice so we can send the combined shipping amount.  

Shipping to Canada, the first book is 7$ and each additional book is 1.75$

Shipping to the US, the first book is 11$ and each additional book is 2.00$  Tracked

We ship fast and  well packaged.