Each page has a sentence with the specific letter highlighted, to show the letter's language usage.
"From yaks to yummy snacks, this title has got Y words covered! Each instance of "Y" or "y" is bolded so that readers begin to recognize it in words and the sounds it makes. Complete with big colorful photographs, a More Yy Words page, bolded glossary terms, and a picture glossary. Aligned to Common Core Standards and correlated to state standards."--Publisher's website.