Misc: how many times do your ribs move every year during breathing?

Questions

sci fi: author of lord valentine's castle.?

sci fi: in 2061, dr. floyd's ship first lands on this object.?

sci fi: the mystical leaders of the invading force in magician.?

sci fi: a swarm of these were always floating around the artificial kid's head.?

sci fi: l. ron hubbard began writing this series but died before finishing.?