in june 1960, rex jr. arrives.eally big surprise comes 30 minutes later -- his sister, connie. you're twins? >> my mother didn't know she was having twins. >> they had no idea. >> they didn't know. >> do you think that was life-altering for your dad? all of a sudden he's a dad with twins. >> oh, absolutely. >> rex jr. and connie grow up in this house in a suburb of milwaukee. did dad do tricks? >> he did small tricks, card tricks, and things with coins. >> did he ever tell you how he did any of those tricks? >> he would never tell me, as many times as i asked. >> nor does he fill his son in on the hundreds and hundreds of magic books around the house. >> i had built-in bookcases in my bedroom, and they were full of magic books, and then we had a breakfront in our living room where the books were all under lock and key. >> hands off. >> hands off, except when he opened the case and stood with me while i looked at the books. >> son and father never explore the secrets in those pages. in 1977, rex sr. suffers a stroke