A hardcore grandma plays Halo 3 on the XBox 360. You can’t beat her though.

A window dresser makes the final adjustments to a display in the window of Selfridges as the store unveils its new Christmas display in London, England. Featuring Santa in the windows for the first time in over 40 years the annual festive display has been a part of London Christmas retailing for nearly 100 years.

People look into the window of Selfridges as the store unveils its new Christmas display .

A window dresser makes the final adjustments to a display in the window of Selfridges as the store unveils its new Christmas display.

A shopper looks in the window of Selfridges as the store unveils its new Christmas display in London, England.

A window dresser makes the final adjustments to a display in the window of Selfridges as the store unveils its new Christmas display in London, England. Featuring Santa Clausin the windows for the first time in over 40 years, the iconic department store's annual festive display has been a part of London Christmas retailing for nearly 100 years.

A new book, President Obama : The Path to the White House (David & Charles / TIME £9.99), showcases the photographs of Callie Shell, who began covering Obama for Time Magazine in 2006 when his travelling party numbered just three people in a van: the driver, Obama and Shell. Her photographs reveal Obama's private, unguarded side, his repose with his family, and capture the awe and excitement his campaign generated .

November 7 2007 : Ready for showtime. Drumming up support in county after county, Obama, in a rare solitary moment, waits in a stairwell before addressing a crowd in Muscatine, Iowa.

January 1 2008 : Strategist. To create his army of volunteers, Obama worked to energise groups like this one, at a gym in Davenport, Iowa.

January 6 2008 : Mr Cool. With two days to go before the New Hampshire primary, while facing sharp attacks from Hillary Clinton, Obama kicks back on the campaign bus

January 6 2008 : Rest for the weary. In the middle of a long day of events in New Hampshire, Obama grabs a quick nap on his campaign bus as he heads to another rally.

March 1 2008 : Footsore. His shoes worn down by campaigning, Obama conducts press interviews on the phone after a rally at Rhode Island College in Providence.

April 5 2008 : Competitive streak. Not to be outsone by two aides who each did a pair of pull-ups, Obama does three before stepping out to address the crowd at the University of Montana.

April 21 2008 : Explaining his health plan. Obama pops in to greet locals, including this curious young man, at a diner in Scranton, a day before the Pennsylvania primary.

April 22 2008 : Fuelling up. With Michelle (and a large press corps) on hand, Obama grabs a bite at a Pittsburgh diner on the morning of the Pennsylvania primary.

July 4 2008 : Hooping it up. Even at the height of the campaign, there were moments of levity, as at this Independence Day picnic in Butte, Montana.

November 4 2008 : Grand entrance. The newly-elected First Couple walk onto the stage at Grant's Field, Chicago.