1860 The vast hoop skirts of the mid-19th century were supported by crinolines – steel, cage-like structures worn with a corset and petticoats. The crinoline reached its maximum dimensions in 1860 and then started to shrink to less ludicrous proportions. for women.
Book one: Marcus runs away from Ethan when stuff is getting real during a mania phase. Stealing Betsy to do so. Ethan finds him. Afterwards Marcus goes to the isle of white until he he returns to a "norm" phase.