How I Became A Big Brother is a children s book that explains adoption to young children. It is a simple story of how a little boy who doesn t have any siblings suddenly becomes a big brother to an adopted child. The story is told from the point of view of the toddler and touches on many of the concerns and fears that a child might be experiencing when their family decides to adopt. This book is a must read for anyone who is considering adoption of another child when they already have young children.