Description Douglas is sick. This C-level story uses decodable text to raise confidence in early readers. The book features ambiguous vowels and uses repetition to build recognition. Featured vowel sounds include: /ea/, /oo/, and /ou/. Original illustrations help guide readers through the text. Author Cecilia Minden, Ph.D., a literacy consultant and former director of the Language and Literacy program at Harvard Graduate School of Education developed the series format.