The report that the client require could be prepared using workbooks, saved searches and report builder. Its doesn’t mean that the report should be prepared using the report builder either customizing the report that already exists in the list of reports or creating a new one. It is all about the requirement of the essential fields and the ability of each platforms to fetch the data from different records. With the application of joint fields the data from various records could be fetched.
Navigations
1) Go to Reports > New Saved Search ( or Reports > Saved Searches > All Saved Searches (New)
2) Analytics> Workbook
3) Report