<Li> Books 6--10 cover 390--293 BC . </Li> <Li> Though we do not have books 11--20, evidence suggests that books 11--15 discussed Pyrrhus and books 16--20 dealt with the First Punic War . </Li> <Li> Books 21--30 cover the Second Punic War: <Ul> <Li> 21--25 deal with Hannibal . </Li> <Li> 26--30 deal with Scipio Africanus . </Li> </Ul> </Li> <Ul> <Li> 21--25 deal with Hannibal . </Li> <Li> 26--30 deal with Scipio Africanus . </Li> </Ul>

According to your textbook who is the greatest roman historian