'Sugar, Magic, and Crimson' tells the story of Fiona Fieldmouse, who has lost her joy in eating and is too lethargic to play with the other children. Mama and Papa Mouse are worried and take her to Doctor Chamomile, who ultimately determines that Fiona can no longer eat most grains because she is intolerant to the gluten they contain. At this point, the book playfully illustrates which foods Fiona must avoid from now on: bread, rolls, cakes, cookies, pasta, pretzels, waffles, and even ice cream. The initial shock is great, but the family learns about new foods and recipes, discovering how to cook delicious meals. Fiona recovers very quickly and becomes a cheerful little mouse again. While on a shopping trip, Fiona is tempted when she sees her friends enjoying waffles and ice cream at the café. At that moment, she encounters Yoko, who...