Spines raised US$64 million in growth capital to expand its AI publishing platform. The round combines a US$29 million Series A-1 led by Zeev Ventures with a US$35 million non-dilutive facility from Twelve. The company helps authors turn manuscripts into professionally published books.
Investor lineup
Aleph led Spines' Seed round and also joined the new Series A-1. NordStar, M-Fund, LionTree, and angel investor Dan Senor participated as well. Zeev Ventures founder Oren Zeev was an early investor in Audible.
Company growth
Spines reported a US$50 million revenue run rate. The company posted 400% year-over-year growth. More than 8,000 American authors have published books using the platform.
Author tools
Authors upload manuscripts and use AI agents for editing, proofreading, cover design, formatting, distribution, and royalty management. Spines distributes titles through more than 100 channels worldwide. Authors can also work with in-house human editors and designers.
Spines currently supports translation from English into seven languages. It plans to reach 20 target languages within six months. Authors can create audiobooks with synthetic voices or a model of their own voice.