L. Ronald Hubbard

$3.55

Viktor E. Frankl, Paidos

$17.95

Ismael Cala, Aguilar

$24.95

Jurgen Klaric, Planeta

$22.00

Stephen M. R. Covey, Paidos

$19.95

Jose Farid H, Farid

$6.96

Walter Riso, Planeta

$10.00

Ricardo Bulmez, Urania

$6.00

Robin Sharman, Grijalbo

$23.95

Walter Riso, Planeta

$10.00

Tommy Tenney, Editorial Unilit

$7.41

Camilo Cruz, Taller Del Exito

$7.17

Stephen R. Covey, Paidos

$24.95

H. Czechowicz, Ediciones B

$9.25

Robert T. Kiyosaki, Punto de Lectura

$14.00