|  |  | 1 | $3.40
| $17.24 | 58m | |
| | | -
 | $0.75
$1.25
| $9.00 | 51m | |
| | | | $17.19
| $15.51 | 3h 08m | |
| | | | $3.65
| $6.94 | 12h 03m | |
| | | | $2.99
| $6.00 | 7h 14m | |
|
| | | | $13.78
| $8.62 | 4h 03m | |
| | | | $14.54
| $7.94 | 11h 21m | |
| | | | $14.55
| $6.94 | 11h 20m | |
| | | | $9.97
| $5.00 | 20h 24m | |
| | | | $6.95
| $4.25 | 21h 29m | |
| DVD Set - The Great Courses
| | 7 | $41.00
| $3.99 | 19h 08m | |
| | | - | $27.38
| $9.13 | 1d 05h 36m | |
| | | | $6.47
| $6.94 | 1d 10h 08m | |
| | | - | $1.99
| Calculate | 1d 14h 28m | |
| | | - | $1.49
| $3.00 | 1d 20h 26m | |
| | | 1 | $1.99
| $4.00 | 1d 21h 55m | |
| | | -
| $2.99
$6.99
| $3.99 | 1d 20h 39m | |
| | | - | $4.99
| $4.50 | 1d 19h 02m | |
| | | - | $9.97
| $3.99 | 1d 21h 20m | |
| | | -
| $10.95
$13.95
| $3.95 | 2d 14h 04m | |
| | | -
| $8.95
$10.95
| $3.95 | 2d 11h 39m | |
| | | | $10.95
| $4.50 | 2d 21h 31m | |
| | | | $7.22
| $4.25 | 2d 22h 38m | |
| | | | $17.22
| $6.25 | 2d 23h 56m | |
| | | | $16.86
| $1.90 | 2d 22h 09m | |
| | | - | $0.99
| $3.68 | 3d 04h 14m | |
| | | - | $49.00
| $10.00 | 3d 17h 01m | |
| | | | $9.70
| $4.25 | 3d 11h 08m | |
|
| | | -
| $3.00
$3.50
| $5.99 | 3d 17h 59m | |
| | | 1 | $0.99
| $3.75 | 3d 18h 51m | |
| | | | $12.63
| $1.90 | 3d 16h 43m | |
| | | | $19.63
| $2.90 | 3d 16h 45m | |
| | | - | $0.99
| $5.90 | 3d 19h 38m | |
| | | 1 | $4.99
| $3.25 | 3d 19h 28m | |
| | | | $17.19
| $5.60 | 4d 03h 41m | |
| | | | $25.36
| Free | 4d 16h 14m | |
| | | | $2.90
| $6.00 | 4d 03h 53m | |
| | | | $18.95
| $8.53 | 4d 14h 08m | |
| | | - | $2.99
| $5.99 | 4d 19h 25m | |
| | | -
| $24.99
$45.50
| $7.50 | 3d 18h 25m | |
|  | | | $6.99
| $3.99 | 4d 22h 41m | |
| | | | $6.99
| $3.99 | 4d 23h 46m | |
| | | | $12.62
| $1.90 | 5d 11h 31m | |
| | | - | $0.99
| $3.00 | 5d 08h 49m | |
| | | | $17.24
| $4.25 | 5d 11h 55m | |
| | | -
| $3.00
$3.30
| $5.99 | 5d 19h 01m | |
| | | | $49.99
| $17.99 | 5d 04h 46m | |
| | | | $16.09
| $6.98 | 2d 07h 36m | |
| | | - | $4.99
| $3.00 | 6d 01h 58m | |
| | | | $8.75
| $4.75 | 6d 11h 14m | |
