Two very different books about complex father/son relationships for #catsinthecradle
In one, a down-and-out time machine repairman searches for his father who invented time travel and then disappeared.
In the other, a father travels to Prague searching for his son. They became estranged due to the father's devotion to medieval reenactment. He wears, uses, and eats nothing that wasn't available before the year 1200 and is addicted to mead.