* Update existing author website * Competitions and partnerships

THE HOLIDAYS ARE OVER. IT'S TIME TO BECOME AN ASS-KICKING, GETS-THINGS-DONE SUPERWOMAN WITH RUN FAT BITCH RUN.

'You'll be up and running in no time' Grazia

'Ruth is an inspiring running buddy' Daily Express

Is there a large arse-shaped dent in your sofa? An eye-wateringly expensive (and rarely used) gym membership burning a hole in your bank account? Does the sight of your wobbly thighs leave you cowering under the duvet?

Then it's time you face the truth: if you want to lose weight and get fit there's only one thing left to do . . . RUN!

Funny and brutally honest, Ruth Field and her straight-talking alter-ego The Grit Doctor will give you - yes, you - the push you need to start pounding the pavements and shedding pounds in no time.

* Locate your inner grit and long-lost energy with a foolproof beginners' programme
* Enjoy carbs without guilt with The Grit Doctor's tasty and nutritious recipes
* Includes marathon training plan to transform you from casual jogger to elite(ish) athlete

Readers LOVE Run Fat Bitch Run:

'Exactly what I needed! I am now running regularly and have recently run a 10K'

'A must for anyone thinking they missed their New Year's fitness resolution!'

'Awesome, funny and real'

'Reading this book has kept me motivated and focused. Whenever I get the 'I'll go tomorrow' attitude, my inner bitch reminds me that tomorrow never comes'

'So good I bought a second one for a friend. We'll be running a marathon in no time!'

"If you're stuck in an exercise rut, this book will give you a rather rude kick up the backside . . . it certainly shamed us into lacing up our Nikes!" - Closer

"Amusingly vicious . . . Excellent advice all round" - Emma Thompson

"Ruth is an inspiring running-buddy . . . By the time I unpack my summer wardrobe, I'm sure my inner Grit Doctor will be my best friend" - Daily Express, Flic Everett

"A witty, no-nonsense read, it had us dusting off our trainers within seconds. Trust us when we say you'll be up and running in no time at all" - Grazia

"Refreshingly free of new-age jargon and psychoanalysis. It's about determination and the pursuit of the 'happy effect'" - Herald Sun (Australia)

"Ruth is an inspiring running-buddy . . . By the time I unpack my summer wardrobe, I'm sure my inner Grit Doctor will be my best friend" - Daily Express

"A witty, no-nonsense read, it had us dusting off our trainers within seconds. Trust us when we say you'll be up and running in no time at all." - Grazia