The Keeping Up With The Kardashians star is known for being an avid fitness fanatic so perhaps her choice of reading material isn't that surprising!
Khloe, 30, was in her gym clothes and clutching a healthy looking green juice drink as she was papped out and about on Monday (22 December).
Earlier this year, the reality star spoke openly about her desire to tone up after putting on around 10lbs while filming the TV show Kourtney & Khloe Take The Hamptons over the summer.
She said in September: "Started working out again this week after slacking for a few months while taping in the Hamptons. Mentally, I feel great already. My body will follow shortly… I love trying new things so I don't get bored."
Since returning to LA from New York, she's been frequently seen hitting the gym and indulging in gruelling workouts with celebrity trainer Gunnar Peterson,
Meanwhile, it will be a very exciting Christmas in the Kardashian household as Khloe's elder sister Kourtney, 35, has just given birth to a baby boy!
Kourtney and longtime boyfriend Scott Disick welcomed their third child - son Reign Aston Disick - on Sunday, 14 December.
They're also parents to son Mason, five, and daughter Penelope, two.