How many are there in a book? http://www.posop.com.br/stmap_989p9vw.html?venlor.levitra.zyloprim herrerasportsmedicine.com  The move marked the second bond default by cash-strappedDetroit after Kevyn Orr, the former corporate bankruptcyattorney who has been running the city since March, announced onJune 14 a moratorium on unsecured debt payments.