awareness and funds for pediatric cancer. >> yeah, which is so important. i should underline that this book is a hopeful book. h it was heartbreaking because of your blake. that's why it broke my heart. one little section says the battle's not won by the physically strong. if you want to defeat a beast of this kind. the key to the fight is right there in your mind. that was a big theme during your time in the hospital. >> yeah, it was. because this idea of hope, i would say to anyone going through a trying circumstance, that is the thing that we had, my husband and i had, in our survival toolkit was hope. and i truly believe to this day, we were hopeless when going through this, we would not have survived that. so that's what this message is all about. just, it's in the mind. sometimes the story doesn't work out the way we want it to.