iPhone 5 Cases Brown Leather Book Wallet and phones go hand in hand. You rarely leave home without the two of them. Now you carry both in one BookBook made exclusively for 5. This little book has a convenient ID window and slots for your debit/credit cards; reward cards and cash. Instead of grabbing your wallet; phone and keys when you walk out the door; simply grab BookBook and your keys.Your phone is safe in a BookBook.