|  |  | 11 | $33.78
| Calculate | 4m | |
| | | 11 | $41.00
| Calculate | 33m | |
| | | 1 | $1.99
| Calculate | 49m | |
| | | 7 | $6.74
| Calculate | 1h 07m | |
| | | 3 | $4.49
| $3.98 | 34m | |
|
| | | 1 | $3.99
| $3.98 | 1h 07m | |
| | | 9 | $20.50
| Calculate | 2h 45m | |
| | | | - | $0.99
| $7.95 | 1h 40m | |
| | | - | $2.00
| $4.25 | 31m | |
| | | 1 | $0.95
| $4.95 | 49m | |
| | | 22 | $51.00
| $11.00 | 1h 24m | |
| | | 3 | $15.00
| Calculate | 2h 42m | |
| | | 9 | $24.50
| $6.00 | 1h 21m | |
| | | -
 | $2.99
$4.99
| Calculate | 1h 44m | |
| | | - | $3.00
| $4.25 | 40m | |
| | | - | $3.99
| Calculate | 36m | |
| | | - | $1.99
| $9.80 | 2h 28m | |
| | | - | $6.50
| Calculate | 14m | |
| | | 5 | $8.50
| $6.50 | 2h 48m | |
| | | 1 | $3.00
| $5.33 | 13m | |
| | | 10 | $10.00
| $4.25 | 3h 29m | |
| | | - | $3.99
| Calculate | 36m | |
| | | | 2 | $1.04
| $7.50 | 1h 25m | |
| | | - | $3.99
| Calculate | 36m | |
| | | - | $3.99
| Calculate | 36m | |
| | | 1 | $0.01
| $3.99 | 3m | |
| Seven 4 in 1 and Two 3 in 1 books
| | 3 | $4.75
| Calculate | 1h 29m | |
| | | 3 | $9.71
| $12.50 | 3h 47m | |
|
| | | 1 | $2.00
| Calculate | 1h 05m | |
| | | -
| $9.99
$19.99
| Calculate | 3h 24m | |
| | | 1 | $2.99
| Calculate | 36m | |
| | | - | $6.75
| $5.95 | 3h 39m | |
| | | 2 | $15.50
| $13.00 | 18m | |
| | | -
| $3.00
$12.99
| Calculate | 4h 18m | |
| | | | $50.00
| Calculate | 2h 41m | |
| | | 1 | $1.00
| $3.50 | 1m | |
| | | 12 | $31.00
| $7.00 | 3h 35m | |
| | | - | $9.99
| $12.50 | 4h 35m | |
| | | 3 | $31.00
| Free | 12m | |
| | | - | $0.99
| $7.35 | 2h 45m | |
| | | - | $5.99
| Calculate | 36m | |
| | | 2 | $8.50
| $6.95 | 1h 46m | |
| | | -
| $29.95
$30.95
| $8.95 | 48m | |
| | | 5 | $20.50
| Calculate | 5h 32m | |
| | | 2 | $5.57
| $4.50 | 4h 08m | |
| | | -
| $4.95
$5.95
| $3.00 | 1h 19m | |
| | | | $62.50
| Calculate | 5h 02m | |
| | | -
| $0.99
$3.29
| $4.50 | 3h 22m | |
| | | - | $37.00
| $4.87 | 20m | |
| | | 4 | $10.00
| $7.00 | 1h 16m | |
