DEAR CRABBIT: rejections again :((

Another question about rejections for Dear Crabbit. Oh dear, it's a stressful life being a writer! (Not meaning to sound glib - remember, I had years and flipping years of this.)

Dear Crabbit,
I read your post last week, (DEAR CRABBIT: encouragement from this rejection?) with interest. I am also in the process of submitting my first book, targeted to 7-9 year olds, to agents. So far, I've sent