Possible Clues:

• Rider in ring with question of book - '____ not to read?'
• He aims for the bull
• Corrida star
• Bully-boy shredded a beetle
• Man honoured to be given an ear to study - yellow
• One in a bull session?
• To study 13 down or to be a bully boy, perhaps
• Too drear for a bullfighter
• Rider who could return straddled over a bull?
• Dealer of Death in the Afternoon