shipping

3

$3.16

$2

$5.16

6

3.94

"

5.94

9

4.33

"

6.33

12

5.11

$4

9.11

15

6.28

"

10.28

18

7.06

"

11.06

21

8.23

"

12.23

Flat rate envelop, 12 1/2" x 9 1/2"up to 4 lbs (4 books)

$10.95

$12.95

Regular priority mail small flat rate box, 11" x 8 1/2" x 5 1/2"; up to 20 lbs; 14 books

25.95

41.95