$7.20

Olivia Toja, Trillas

$15.00

Robert Greene, Oceano

$31.20

$12.63

$6.00

David J. Schwartz, Taller Del Exito

$10.44

V. Bote- Ma. Such -l. Esc, Mc Graw Hill

$39.80

$4.20

A. Oparin, Panapo

$8.40

H. Magaña - A. Larios, Noriega

$21.52

$4.20

Michael Jacobs, Dahbar

$18.00

Luis Cañon M., Planeta

$13.20

J. Canfield - M.v. Hansen, Hci

$9.60

Frank Suarez, Naturalslim - Lite

$21.60