Related Clues:

• Essence of trivia
• Bar game fodder
• Details of little importance
• They're totally reasonable
• Returns serves
• Head of faculty has a role, to provide information
• Mortimer suggested conflicting ones
• Returns keys
• Fine book providing hard information
• Dope following book
• Minor details of unfinished case — about four or six
• Unimportant information
• Minor details in court case almost getting four imprisoned
• Belgian port has succeeded for each end of port is satisfactory
• Inconsequential facts