Hi Experts,
I'm a BIBO Consultant,
I want to take a C_BOSUP_90 certification (http://training.sap.com/v2/course/c_bosup_90-sap-certified-support-associate---incident-management-with-sap-businessobjects-classroom-090-g-en/) in SAP center in the next month, but the problem is I dont have a books about C_BOSUP_90 Practice books and training books. 
Somebody help me