All-Home via Amazon offers the SleekTech SleeKeys Keyboard / Case for iPad Air in Black for $7.99. Coupon code "MWUR7OHK" cuts it to $4.99. Plus, Prime members qualify for free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $8.51.) That's $5 below our March mention and the best price we've seen. (It's a current low by $30.) The keyboard works without batteries or Bluetooth and the case features a magnetic closing belt.