Yes. If you have previously purchased individual subjects but wish to upgrade to the Bundle Deal, follow these 3 steps: Purchase the Bundle Deal, Then email us your order number to admin@medstudentnotes.com We will then cross-reference your previous orders and refund any duplicates back to you within 24hrs. (Please note, the total refund value cannot exceed the bundle deal value) If you have any further questions, please feel free to email us at admin@medstudentnotes.com