which book is real?
need ur help friends,i search for "first aid for usmle step 1 2011"and different online sites gives different ISBN no for there books .on amazon it is 9780071742301 on other site it is 9780071742306 and a bookshop i contacted mention ISBN 9780071324267.all coverpage looks same, but confusing part other than ISBN is that the cost do vary a lot from 35$ to 25$ to 20$.really confused, can book with same name can have different ISBN no and prize? if so then what do u suggest go for the cheapest of them or elsewise.awating reply
need ur help friends,i search for "first aid for usmle step 1 2011"and different online sites gives different ISBN no for there books .on amazon it is 9780071742301 on other site it is 9780071742306 and a bookshop i contacted mention ISBN 9780071324267.all coverpage looks same, but confusing part other than ISBN is that the cost do vary a lot from 35$ to 25$ to 20$.really confused, can book with same name can have different ISBN no and prize? if so then what do u suggest go for the cheapest of them or elsewise.awating reply