Books about Pediatric Cancer

Book cover for 'Wink' by Rob Harrell, featuring a cartoon boy with a wink, an eye patch, and a smile, set against an orange background with doodles of musical instruments and books.
Cover of a children's book titled 'The 'Can' in Cancer' with a young child jumping joyfully on a grassy field, wearing a blue cap and red shirt, with a blue cap and a brown football lying nearby and a bright sky background.