We require a valid phone number for all orders. If we are unable to contact you regarding your order we will not process your order. Please allow 3-4 business days for us to process all transactions. If you have any questions please call us at 563-589-3195. If you are purchasing textbooks for someone other than yourself we MUST have all of the students information entered including their student ID number/this is necessary if you are Renting any textbooks! If a book is available for rent it