penguin random house land deal publish two forthcoming book former u.s. president barack obama former first lady michelle obama one volume write publish company say tuesday term agreement penguin random house acquire worldwide publication right two book disclose keep past practice obamas plan donate significant portion author proceed charity include obama foundation publisher say statement deal follow heat auction global right two book bid reach 60 million record sum u.s. presidential memoirs financial time report cite people knowledge sales process comparison fellow democrat former president bill clinton earn 15 million right 2004 memoir life leave office obama immediate predecessor republican george w. bush reap 10 million book decision point accord financial time book publish penguin random house division knopf crown respectively penguin random house also publish obama three previous book dream father audacity hope thee sing letter daughters company disclose subject matter two forthcoming book time frame publish presumably cover obama time white house first african-american u.s. president among publishers bid obama deal harpercollins unit news corp simon schuster own cbs corp financial time say penguin random house land book deal obamas