Jeanette Greenwell, Mcgraw Hill

$5.00

F. Rivas - M. Alvarez, Salesiana

$10.00

Kniveton - Llanas, Macmillan

$4.80

Lenore Cohen, Richmond

$25.00

Williams, Mcgraw Hill

$5.00

$28.60

J. Lawley - R. Fernandez, Richmond

$7.50

$19.50

Amanda Cant, Macmillan

$12.00

Kniveton - Llanas, Macmillan

$4.80

$14.00

Judith A. Aurenty F., Actualidad Escolar 2000

$13.00

Nick Beare, Macmillan

$4.80

Sileci, Mcgraw Hill

$5.00

Paul a Davies, Macmillan

$4.80