Usually we'd say you should check out Rogers' website to snag one for yourself, however the site appears to be experiencing some technical difficulties right now -- but, hey, there's always the good ol' brick-and-mortar store.
This leaves breast-feeding problems either to the rare family physicians, or more commonly to lactation consultants who can assist with technical issues -- improving the baby's latch and such -- but can't write prescriptions, check hormone levels or offer a diagnosis.