"Trigger Mortis" (2015) A James Bond tribute by Anthony Horowitz

Better known for teenage fiction "Stormbreaker" series, Horowitz has tried to stay true to the Ian Fleming books with his 2015 stand alone novel. 
It is 1957. Bond having just polished off Goldfinger and Oddjob, returns to London for a bit of R+R with, you guessed it, Pussy Galore. But things don't go as planned.
Horowitz takes some excepts from an unfinished Ian Fleming television script about Grand Prix racing and then moves the action from a Swiss castle to east coast U.S. The rocket launch sabotage plot pays homage to "Dr No". This time it's a Korean millionaire/psychopath/super villain (nicknamed Jason Sin). His backstory is just as interesting.
SMERSH rears its ugly head. Bond's new female companion/ally is the feisty Jeopardy Lane (also possessing a cool back story). Attention to 1950's detail - locales, social mores, transport, food, alcohol - is a delightful pastiche to Fleming.

NB.
"Solo" by William Boyd (2013) is also a cracking read and probably the best written of the James Bond spinoffs. Faithful to Ian Fleming's James Bond, it is less spectacular but more believable.