viously，standinginahalf—defiantposture，hersleevesrolledaboveherelbowsandherfaceflushedwithheatandexcitement。AfterFred’sthirdmissilehadrungupontherocksbelow，shesnatchedupastoneandsteppedim—
patientlyoutontheledgeinfrontofhim。Hecaughtherbytheelbowsandpulledherback。
\"Notsoclose，yousilly！You’llspinyourselfoffinaminute。\"
\"Youwentthatclose。There’syourheel—mark，\"sheretorted。
\"Well，Iknowhow。Thatmakesadifference。\"Hedrewamarkinthedustwithhistoe。\"There，that’sright。