My friend Kathryn Galbraith and I met inNew York City more than 30 years ago when we were both taking a writing class at the New School. She was working on her first novel for children, Come Spring, about Rennie, a little girl who is moving (again) to a new house, not just an apartment, and looking to put down roots. Kathryn has a special insight and understanding of the hearts of children, and this is a tender…