Because the aim of is always to provide the best possible service to its members and visitors, we undertake to replace any book that is misprinted, defective or damaged during transport and to charge the shipping costs.
In the event that you receive a defective product, contact us immediately by informing us. We will undertake to replace the product at no additional charge. In case of unavailability, upon consultation we can replace the defective book with another of equal value, or refund your money.
Email us at with the subject "Defective product" mentioning the problem, your name and your order number.