We guarantee the condition of every book as it's described on the Abebooks web sites. If you're dissatisfied with your purchase (Incorrect Book/Not as Described/Damaged) or if the order hasn't arrived, you're eligible for a refund within 30 days of the estimated delivery date. If you've changed your mind about a book that you've ordered, please use the Ask bookseller a question link to contact us and we'll respond within 2 business days.

Conditions de livraison :

Orders usually ship within 2 business days. Shipping costs are based on books weighing 2.2 LB, or 1 KG. If your book order is heavy or over sized, we may contact you to let you know extra shipping is required.

Modes de paiement
accept�s par le vendeur

Ch�que Mandat postal En esp�ce PayPal Traite bancaire

Ajouter aux demandes de livres

Articles li�s � Gamification by Design: Implementing Game Mechanics...

Gamification by Design: Implementing Game Mechanics in Web and Mobile Apps

Zichermann, Gabe, Cunningham, Christopher

Ancien(s) ou d'occasion - Couverture souple

Informations commerciales relatives au vendeur