Pictures of the week

The Quarto Group celebrated 40 years of publishing on Friday 12th February. Pictured is publisher Jacqui Small cutting into a celebratory cake.

The Quarto Group celebrated 40 years of publishing on Friday 12th February. In the UK, author and cake designer Mich Turner designed a 40th birthday cake (left) for the team to celebrate.

10 year-old George Hamerton, a primary schoolboy and chief librarian at his school, speaks at the Speak Up for Libraries lobby on 9th February in London. Picture: Rolf Marriott

Library campaigners outside Parliament for the Speak Up for Libraries lobby. Picture: Rolf Marriott

Author Levison Wood with Michelle Hodgson, director of Huddersfield Literature Festival on Tuesday 9th February.

Wood, who spoke about his book Walking the Himalayas (Hodder & Stoughton), on stage at the Town Hall in Huddersfield.

Helen Ellis reads from her book American Housewife (Scribner) at the Scribner Showcase on Wednesday 10th February at Library in London.

Jonas Hassen Khemiri reads from his book Everything I Don't Remember (Scribner), translated by Rachel Willson-Broyles, at the Scribner Showcase.

Author Amanda Prowse (right) receives her eBook of the Year 2015 award for A Mother’s Story from Sharon Nightingale (left), head of commercial at Sainsbury’s Entertainment on Demand on Wednesday 10th February.

On Friday 5th February Singing Dragon, an imprint of Jessica Kingsley Publishers, launched its range of graphic novels and comics at Gosh! Comics in London. (From left) author Alex Demetris, illustrator Sophie Standing, art editor Mike Medaglia, m.d. Jessica Kingsley, author Steve Haines, and author and illustrator Maria Stoian. Picture: Mauricio Molizane de Souza/www.molizanephotography.com

The winner's trophy for this year's £30,000 Wellcome Book Prize. The trophy has been designed by London-based artist Kyle Bean. It ws made by injecting a clear acrylic block with a 5m volt particle accelerator at its centre. Stoneridge Engineering issued the charge through the block.