Complex sentence: In 2006, the Time Warner Book Group was sold to French publisher Hachette Livre; the Little, Brown imprint is now used by Hachette Livre's U.S. publishing company, Hachette Book Group USA.
Split into simpler sentences: In 2006, the Time Warner Book Group was sold to French publisher Hachette Livre. Following this, the Little, Brown imprint is used by Hachette Livre's U.S. publishing company, Hachette Book Group USA.