▁San han ▁District . ▁ ▁References ▁ ▁Category : D istrict s ▁of ▁S ana ' a ▁Governor ate <0x0A> </s> ▁The ▁Solution ▁is ▁the ▁ 2 2 nd ▁book ▁in ▁the ▁Anim orph s ▁series , ▁written ▁by ▁K . A . ▁App legate . ▁It ▁is ▁narr ated ▁by ▁Rach el . ▁It ▁is ▁the ▁last ▁book ▁in ▁the ▁David ▁tr il ogy . ▁ ▁Plot ▁summary ▁After ▁having ▁a ▁b izar re ▁dream , ▁Rach el ▁is ▁w oken ▁by ▁Ax , ▁who ▁explains ▁J ake ' s ▁express ▁orders ▁to ▁sum mon ▁her . ▁That ▁decision ▁both ers ▁her , ▁but ▁her ▁qual ms ▁are ▁sil enced ▁when ▁Ax ▁breaks ▁her ▁the ▁news ▁of ▁Tob ias ' s ▁probable ▁death . ▁Rach el ▁is ▁willing ▁to ▁do ▁what ▁J ake ▁expected ▁her ▁to ▁do . ▁They ▁first ▁fly ▁to ▁the ▁m all ▁to ▁try ▁and ▁help ▁J ake , ▁only ▁to ▁be ▁amb ushed ▁by ▁David ▁in ▁his ▁l ion ▁morph . ▁ ▁Rach el ▁esc apes ▁the ▁attempt ▁on ▁her ▁life , ▁and ▁David ▁retre ats . ▁ ▁Later , ▁Cass ie ▁arriv es ▁with ▁her ▁family ▁to ▁tend ▁to ▁J ake , ▁who ▁was ▁injured ▁in ▁his ▁fight ▁with ▁David ▁at ▁the ▁end ▁of ▁the ▁previous ▁book , ▁so ▁Rach el ▁and ▁Ax ▁decide ▁that ▁J ake ▁will ▁be ▁all ▁right ▁in ▁their ▁hands . ▁ ▁They ▁fly ▁to ▁Marco ' s ▁house . ▁Ax ▁tries ▁to ▁fly ▁through ▁his ▁window , ▁but ▁is ▁prompt ly ▁knock