(True)$author:"John Wikrosky"$"Learning"$quantity/ 5 $	6.99$
(True)$author:"Joe Mitchell"$"Learning it easy"$quantity/ 10 $	4.95$
(True)$author:"Jill D."$"Cooking"$quantity/ 12 $	9.95$
(True)$author:"Herbert  W.F.T & Al."$"Reading"$quantity/ 25 $	5.0$
(True)$author:"Max W."$"Teaching"$quantity/ 8 $	6.95$
(True)$author:"Franck K."$"Horse-riding"$quantity/ 2 $	23.50$
(True)$author : "Michael F.W." $"Computer Science"$quantity / 7 $	12.00 $
(True)$author:"Mike H."$"Mathematics"$quantity/100$	2.50$