This early reader gently explores the common childhood experience of getting sick. Katie Woo catches the flu, feels unwell, and has to miss school, which is a relatable disappointment for many young children. The narrative focuses on her journey through feeling 'yucky' to eventually feeling like herself again, offering a comforting and normalizing perspective on illness. It's ideal for children aged 4-7 who are experiencing their first significant illness or are curious about what happens when friends get sick. Parents can use this book to open conversations about symptoms, rest, and recovery.