Your books will likely have a handful of primary characters that you'll be tempted to include on the covers. (knockinbooks.com)
It is a long book, with an unusually large cast of characters spanning childhood to 60s, and the novel has very strong male and female primary characters. (karencommins.com)
The best tactic to use is to buy updated equipment for your three primary characters when it becomes available and then swap their old equipment back to your three backup characters. (lifewire.com)