From x-rays to xylophones, this title has got X words covered! Each instance of X or x is bolded so that readers begin to recognize it in words and the sounds it makes. Complete with big colorful photographs, a More Xx Words page, bolded glossary terms, and a picture glossary. Aligned to Common Core Standards and correlated to state standards. Abdo Kids Junior is an imprint of Abdo Kids, a division of ABDO.