The Cow Says Moo. Ten Tips to Teach Toddlers to Talk: An Early Intervention GuideEbookThe Cow Says Moo. Ten Tips to Teach Toddlers to Talk: An Early Intervention GuidebyVicky McErleanRating: 4 out of 5 stars4/5Save The Cow Says Moo. Ten Tips to Teach Toddlers to Talk: An Early Intervention Guide for later