Xenotransplantation failure dissipated. An American infant girl known as "Baby Fae" with hypoplastic left heart syndrome was the first infant recipient of a xenotransplantation, when she received a baboon heart in 1983. The procedure was performed by Leonard L. Bailey at Loma Linda University Medical Center in Loma Linda, California. Fae died 21 days later due to a humoral-based graft rejection thought to be caused mainly by an ABO blood type mismatch, considered unavoidable due to the rarity of type O baboons. The graft was meant to be temporary, but unfortunately a suitable allograft replacement could not be found in time.
The Heart of a Warrior still are ordering Ravenpaw around. Ravenpaw wonders why Barley isn't doing anything about it. Later in the day, Barley gets angry at Hoot and Jumper saying that he doesn't like how they are treating his friend and claims that loyalty is everything, not blood. Ravenpaw sees this but doesn't help Barley, knowing that he can handle it on his own. Hoot and Jumper later leave the barn for good. Ravenpaw and Barley finally have their home, together, and as their own. The Heart of a Warrior The Heart of a Warrior is the third book in the Ravenpaw's Path series