The new imprints, which fall under the Random House Publishing Group division, are called Alibi, which will publish mysteries and thrillers; Hydra, which will publish science fiction; and Flirt, which will publish new adult titles. (The “new adult” genre, also growing in popularity, aims at college students and recent college grads.) RHPG will also relaunch a fourth digital-only imprint, Loveswept, which focuses on romance.

“There are many readers out there looking for exactly what Loveswept offers—compelling characters and great stories published frequently at an affordable price,” Gina Centrello, RHPG president and publisher, said in a statement. “We are thrilled to expand this program.”

On the website for the new digital-only imprints, RHPG seems to be trying to reach authors who have previously self-published their books and don’t have literary agents. The company explains that “we offer writers a complete publishing package” and “each title will be assigned to an individual Random House editor.” Authors can submit proposals through a web form, where they are asked to provide a 1,500-word excerpt and a brief description of the title. RHPG also says it is “open to previously-published manuscripts as long as the submitting author now controls all electronic and print publishing rights.”

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Adknowledge’s Lynn said that Hydra’s affiliate sales offering fills a missing piece in its own business. “There’s been a lot of change in online advertising over the past decade, but affiliate sales haven’t changed a lot,” Lynn said. “The advertiser types have been the same. And Hydra brings us an existing relationship with 14,000 affiliates.”

In return, Adknowledge hopes to connect affiliates to Hydra’s 6,500+ advertiser campaigns. After the two are integrated, affiliates within the combined Adknowledge-Hydra system will have access to over 7,000 cost-per-click and cost-per-action offers through Adknowledge’s Bidsystem platform.