Here is the page of World Book Store merchant
World Book Store
41 Miles per $10

World Book Store

When will I get my Miles?

PurchaseToday
Tracked within i5 day(s)
Awarded within i105 day(s)
***
Rewards are not calculated on postage / handling / delivery costs or associated purchase taxes in your region (This may include but not be limited to VAT, GST etc).

About World Book Store

World Book Encyclopedia books and kids books are consistently ranked by teachers, librarians and families as the best on the education market. Thousands of experts make it the most current and up-to-date print encyclopedia available. The World Book Online Reference Center is the premier online general encyclopedia resource with the New World Book Kids Online providing hundreds of stimulating interactive learning tools for students and families.