Childrens book writter

An overview of the children's book i want to create is based on true senarios based in our family. Two younge boys ahes 5 and 3 had ti deal with 5vyears of heart failure with their dad. Who needed lots of hospital visits, an lvad which is a maicanical heart anf yhen heart transplant. Childten wete serounded by sixkness hospital visitis ambulances coming dad vomiting and being sick amd tired and unable to play. I needed help explain to my children what and why stuff was happening and the feeling they would be feeling