Cover: Open Library

Si lo crees, lo creassecond-hand

3.9 · 9 ratings on Open Library · 455 want to read it

3 editions · Economics and business

from€14.82cover price from €8.95New costs less

7 used offers · median €18.99

Total price with shipping, checked on 6 October 2026.

Brian Tracy wrote this book with the psychotherapist Christina Stein. They set out a practical programme for spotting the negative thoughts and habits that hold back our goals, understanding how they shape character and decisions, sometimes without our noticing, and learning to turn them around, even in the face of unexpected change.

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Reading guide

About 6 hours of reading · Who it's for · Why people still read it · If you like it, read next
Who it's for
For readers of self-help about success and personal motivation who want a method with concrete steps rather than an essay.
Why people still read it
According to the publisher, it has sold about 200,000 copies in Spanish, and the executive director of the Napoleon Hill Foundation recommends it.

Written with the help of AI from Open Library and todostuslibros, without giving away the ending, and reviewed by a person.

Second-hand offers

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Total priceConditionBookshopView
€14.82free shippingGoodanother editionCheapestHamelynView ↗
€15.35free shippingAcceptableanother editionHamelynView ↗
€16.37free shippingAcceptableanother editionHamelynView ↗
€18.99€11.38 + €7.61 shippingAcceptableanother editionThriftBooks-DallasView ↗
€24.87€17.54 + €7.33 shippingGoodanother editionPBShop.store UKView ↗
€26.11€11.21 + €14.90 shippingExcellentISBN 9788418053337BuchparkView ↗
€48.83€17.73 + €31.10 shippingAcceptableISBN 9788466364003World of Books (was SecondSale)View ↗

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Editions (3)

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Why we only look at used copies

In Spain, Law 10/2007 fixes the price of new books: the publisher sets it and shops can only take 5% off. Amazon, FNAC and your local bookshop all cost the same. The only place the price moves is second-hand.

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