well in "mice and men" sence lennie did brake a girls neck not meaning to so his friend had to shot him, lennie is not all thier, Lennie's personality is like that of a child
I think Dr Seuss has a way of making the books and easy read. Especially when it comes to kids he always is a fanatic in rhyming but it helped kids read easier. That's why I think hes popular for his writing.