Decades before that other Robert wrote of his Wheel of Time, Robert Arthur gave us this story of his recurring mad scientist Jeremiah Jupiter and his long-suffering assistant Lucius. This time, Jupiter plans to create a time machine from oranges, The Encyclopedia Britannica, bass drums, tiny motorcycles, and three trained chimps.

After Venus is destroyed by an invading fleet, Earth and Mars end their dispute in order to put together a fleet that can travel back in time to extract vengeance on the invaders. I like Brown’s work a lot, but not this story which had gaping holes, not the least of which was a problem with the units of c raised to the c power (one of my pet peeves).