Peter and Jenny decide to spend the day at an art center. Before they know it, the day is over. In an instant, the lobby is dark and empty, and the main door is locked. How will they get out?

One Winter Day is a level 6 book in the Sound Out Phonics Based Chapter Books series, which feature six levels of phonics progression that gives students multiple opportunities to practice specific phonics skills. Level 6 focuses on phonetically-regular two syllable words including those with prefixes and suffixes.