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Spencer Johnson
Books by Spencer Johnson
Peaks and Valleys
Making Good And Bad Times Work For You--At Work An
From the #1 New York Times bestselling author of Who Moved My Cheese?, a brilliant new parable that shows readers how to stay calm and successful, even in the most challenging of environments.
Picos y valles
Cómo sacarle partido a los buenos y malos momentos
Como sacarle partido a los buenos y malos momentos—en el trabajo y en la vida.

