Books about Down Syndrome

Book cover titled 'Katie Can: A Story About Special Needs' featuring a cheerful girl with glasses and pigtails, wearing a purple striped shirt, against a yellow background.
A young girl standing outdoors in front of hydrangea bushes, smiling, wearing glasses, a striped shirt, and carrying a pink bag, with text overlaid saying "This is Ella."
Illustration of a young girl sitting on grass with a gray cat, with the title '47 Strings: Tessa's Special Code' written below.
Illustration of two children holding hands, a boy and a girl, on the cover of a book titled 'What's Inside You Is Inside Me, Too: My Chromosomes Make Me Unique'.