▁Year ▁( 1 9 5 1 ) ▁ ▁The ▁Best ▁of ▁Two ▁World s ▁( 1 9 5 3 ) ▁ ▁The ▁Me asure ▁of ▁Man ▁( 1 9 5 4 ) ▁ ▁The ▁Vo ice ▁of ▁the ▁Des ert ▁( 1 9 5 4 ) ▁ ▁The ▁Great ▁Ch ain ▁of ▁Life ▁( 1 9 5 6 ) ▁ ▁The ▁Grand ▁C any on : ▁Today ▁and ▁All ▁Its ▁Y esterd ays ▁( 1 9 5 7 ) ▁ ▁The ▁Sports man ▁or ▁the ▁Pred ator ? ▁A ▁Dam n able ▁Ple asure ▁The ▁Saturday ▁Review ▁( August ▁ 1 7 , ▁ 1 9 5 7 ): ▁pp .   8 – 1 0 , ▁ 3 9 - 4 0 . ▁Conc ern ing ▁" k illing ▁for ▁sport ." ▁ ▁Human ▁Nature ▁and ▁the ▁Human ▁Cond ition ▁( 1 9 5 9 ) ▁ ▁The ▁F org ot ten ▁Pen ins ula ▁( 1 9 6 1 ) ▁ ▁The ▁World ▁of ▁Anim als ; ▁A ▁tre as ury ▁of ▁l ore ▁and ▁literature ▁by ▁great ▁writers ▁and ▁natural ists ▁from ▁the ▁ 5 th ▁century ▁B . C . ▁to ▁the ▁present ▁( 1 9 6 1 ) ▁ ▁More ▁L ives ▁Th an ▁One ▁( 1 9 6 2 ) ▁ ▁And ▁Even ▁If ▁You ▁Do ; ▁Ess ays ▁on ▁Man , ▁Mann ers ▁and ▁Mach ines ▁( 1 9 6 7 ) ▁ ▁The ▁Sc ar let ▁Let ter ▁Rap ▁( 2 0 1 1 )