When the Moon Was Twice as Big (2017) online

In the summer of 1969, ten-year-old Jack's passion for astronomy and space exploration ignites brightly within him, inspired by an extraordinary new friend, his test-pilot father, and history unfolding with first steps on the moon. But fate alters his course. In 2009, and about to turn fifty, adult Jack is faced with a choice: continue going through the motions of life -- or take one giant leap of faith and reclaim the dreams of his youth