"Adynamicstorylinethatgripsfromthefirstchapteranddoesn'tletgo."--MidwestBookReview,DianeDonovan(regardingOnceGone)From#1bestsellingauthorBlakePiercecomesanewmasterpieceofpsychologicalsuspense:CAUSETOFEAR(AnAveryBlackMystery—Book4).WhenabodyturnsupfloatingbeneaththefrozenCharlesRiver,theBostonPolicesummonsitsmostbrilliantandcontroversialhomicidedetective—AveryBlack—toclosethecase.Itdoesn'ttakeAverylong,however,torealizethatthisisnoisolatedmurder:itistheworkofaserialkiller.Otherbodiesbegintoturnup,allofthemsharingonethingincommon:allaretrappedinice.Isitallacoincidence—orthesignatureofaparticularlyderangedkiller?AsthemediaconvergesandAverysufferspressurefromherbosses,shestrugglestocracktheinexplicablecase,toobizarreevenforherbrilliantmind.Atthesametimeshetriestokeepherowndepressionatbay,asherpersonallifespiralstoanewlow.Andshedoesitallwhiletryingtoenterthemindofapsychoticandelusivekiller.Whatshewillfindwillshockevenher,andmakeherrealizesthatnothingiswhatitseems—andthattheworstdarknessmaysometimesbeclosesttous.Apsychologicalthrillerwithheart-poundingsuspense,CAUSETOFEARisbook#4inarivetingnewseries—withabelovednewcharacter—thatwillleaveyouturningpageslateintothenight.Book#5intheAveryBlackserieswillbeavailablesoon."Amasterpieceofthrillerandmystery.Piercedidamagnificentjobdevelopingcharacterswithapsychologicalside,sowelldescribedthatwefeelinsidetheirminds,followtheirfearsandcheerfortheirsuccess.Theplotisveryintelligentandwillkeepyouentertainedthroughoutthebook.Fulloftwists,thisbookwillkeepyouawakeuntiltheturnofthelastpage."--BooksandMovieReviews,RobertoMattos(reOnceGone)