Worlds in Collision (1950) and Earth in Upheaval (1955) set forth the evidence and arguments for Immanuel Velikovsky’s pioneering, controversial theory that Venus emerged from Jupiter as a comet and repeatedly approached Earth, causing the Bronze Age catastrophes. Kenneth J. Dillon and Stephen J. Dillon discuss these books and the Scientific Rejectionism that stigmatized Velikovsky, thwarting a full, balanced assessment of his theories ever since. See also https://www.scientiapress.com/revised-venus-theory.