(S&S Children’s Publishing)You probably know of, have read, or at least have heard of the children’s picture book classic We’re Going on a Bear Hunt. But did you know that it almost was not about a family going on a bear hunt and encountering many obstacles along the way? “I thought it could be a bit like Carnival,” says author Michael Rosen. “We can make mysteries for young children and that’s great.”We’re Going on a Bear Hunt has sold more than four million copies since it was published in 1989. I mean, the parrot is so squawky, it’s almost squawking off the page.”“I read it to my grandchildren,” Helen Oxenbury says.