our presidents in the first quarter of the 20th century including "bully pulpit" by doris kearns doris kerns goodwin which is about theodore roosevelt and william howard taft and the presidential election of 1912 which resulted in woodrow wilson being elected president. so that takes you on to scott berg's book, "wilson," which is a great biography of that president. and then finally and most recently, i finished this trilogy by reading amity shlaes' "coolidge," which is an engrossing story about his rise to the presidency. he was a man of not many words, but she tells the story in a way that brings out a lot about him that people would not otherwise know. >> booktv wants to know what you're reading this summer. tweet us your answer @booktv, or you can post it on our facebook page, facebook.com/booktv. >> presidential candidates often release books to introduce themselves to voters. here's a look at some books written by declared candidates for president. in his book, "immigration wars," former florida governor jeb bush argues for new immigration policies. neurosurgeon ben carson calls for greater i