People with blood type o positive have an Rh antigen as well as A and B antigens present in the plasma. Type O is the most common blood type and is often sought out for blood donation as well because type O blood can be donated to people of any blood types without fear of rejection.
Jan Karon. Jan Karon is an American novelist who writes for both adults and young readers. She is the author of the New York Times-bestselling Mitford novels, featuring Father Timothy Kavanagh, an Episcopal priest, and the fictional village of Mitford. Her most recent Mitford novel, Come Rain or Come Shine, debuted at #1 on the New York Times Bestseller List.
Gordon Korman. Gordon Korman (born October 23, 1963) is a Canadian American author. Korman has written over 80 children's and young adult fiction books. Korman has sold more than 28 million books over a career spanning three decades and has appeared at number one on The New York Times Best Seller list.