From now until Friday, June 28th, you can get 40% off all the books in The Lost Level series (THE LOST LEVEL, RETURN TO THE LOST LEVEL, and HOLE IN THE WORLD) and all of the books in the Rogan series (KING OF THE BASTARDS and THRONE OF THE BASTARDS) when you purchase them directly from the publisher and use the code ‘SUMMER’ at checkout. Click here to purchase!