Anyway: Inkpop is a project from HarperTeen, HarperCollins Publishers' teen publishing unit.
But the publisher, a unit of Viacom, will continue to proudly publish Ambrose.
"Someday we may never have CDs again," says Michael Salvadore, director of marketing and business development for Bothell, Wa.-based Humongous Entertainment, the third-largest educational software publisher by units.
Others have created successful new Web sites from scratch, giving their Internet divisions the heft that many American newspaper publishers' online units lack.
Before Mr. Volcker fell ill, he finished his memoir, "Keeping at It: The Quest for Sound Money and Good Government". The book was supposed to be published in late November, but given Mr. Volcker's health, its publisher, PublicAffairs, a unit of Hachette, moved its release up to Oct. 30.
All of Ernest Hemingway's books, for example, are available in electronic versions from his print publisher, Scribner, a unit of Simon & Schuster.
On Tuesday, the publisher's digital unit will release an app called BookScout that lets users share favorite books with friends and then receive reading recommendations based on their own preferences.
Mr. Chomsky's publisher, Metropolitan Books, a unit of Henry Holt & Company, is printing an additional 25,000 copies of "Hegemony," of which it said there are currently 250,000 in print in hardcover and paperback.
With the confirmation on Wednesday that it would spin off its Time Inc. magazine division, Time Warner, once a colossus that included dominant cable and Internet companies, a book publisher and music unit, completed an evolution over several years into a pure cable television and movie production company.
