Aschenbrenner 4e Text PrepU Package Author:Diane Aschenbrenner This package contains the following products: 9781451187663 Aschenbrenner Drug Therapy in Nursing, 4e 9781451148992 Aschenbrenner PrepU for Aschenbrenner?s Drug Therapy in Nursing, 4e - This Version of this Product is for Packages Only! Please Use 978-1-4511-4898-5 for Stand Alone Sale.