(Sorry for the multiple reviews - I'll try to keep them short):
23. England's Finest by Christopher Fowler
Bit wary of recommending this too enthusiastically in case anyone else hates it! I am a big fan of the Bryant and May series, so I really enjoyed this. The stories are as diverse as ever, taking in identity fraud, vampires, 18th century myths, the Bermuda Triangle, neurolinguistic programming and the BT tower. In the best tradition of golden age detective fiction, they're not really "realistic" - you're just supposed to go along with it all, admire the author's ingenuity at thinking up yet another devilishly clever murder device, and enjoy all the detail about London's history that gets thrown in along the way.
24. How Not To Be A Boy by Robert Webb
I really loved this, and thrust it straight into DH's hands as soon as I'd finished! Because I hadn't read the blurb properly, I didn't realise that it would be more memoir than polemic - but this proved a very effective way to structure the book, because Webb was able to show how his whole life, from early years to marriage, had been affected by the patriarchy - what his daughter calls "the trick that makes men sad and women get rubbish jobs". He doesn't spare himself or the people round him from criticism, but the book is also genuinely funny and touching. I especially warmed to him because he's only 4 years older than me and comes from a less-than-gilded background (the son of divorced working class parents in Lincolnshire), so a lot of his earlier life really resonated with me. I finished it feeling heartened by the way he'd managed to recover from some tragic and messy events, and also by his call to free both boys and girls from "the incoming tide of gender bullshit that [both boys and girls] will spend their lives wading through."
25. The Quest for the Golden Hare by Bamber Gascoigne
As a child, I was obsessed by Masquerade, the book of paintings by Kit Williams that told the story of how Jack Hare lost a precious jewel, and that contained clues to a real-life treasure hunt in which the prize was a real, golden hare. It seems I wasn't alone: Masquerade was published in 1979 and sold a million copies over the next 2 years. Hundreds of thousands of "Masqueraders" pored over the paintings, looking for clues to the hare's location and racing around the UK to dig up likely-looking spots. The National Trust made Kit Williams pay for a special sign at Haresfield Beacon, stating that the hare was not to be found there, because so many treasure-hunters came and dug up the ground. One man reported driving 45,000 miles around the UK in search of the hare. The whole country seemed to fall prey to lagomania - until the treasure was discovered in some very dubious circumstances. Even then, some Masqueraders were so drawn by the thrill of the hunt, that they refused to believe the news and carried on searching, convinced of the rightness of their own theories.
This very entertaining book tells the story of how Masquerade came to be, how Kit Williams devised his clues, and how the code was finally cracked. He also has a lengthy section in the middle about some of the "wrong" solutions, and the stories behind the Masqueraders who came up with them. As he demonstrates, the solutions often say more about the people devising them than about the puzzle itself : many of them were led down the wrong track by their pet obsessions and were forced to justify increasingly tenuous links when the evidence wouldn't fit their theories. The capacity of the human mind for self-deception is enormous - as its capacity for apophenia. Some of the stories were sad - the man who ended up in therapy because of his overwhelming desire to solve the puzzle - and some of them are happier - the families who were brought together by a common challenge, and whose researches led them to discover more about science, art, mythology, history and cartography.
Bamber Gascoigne was chosen to be the "celebrity witness" when the hare was buried, and he and Kit Williams were the only people who knew its exact location: "It was agreed in the Cape offices that the perfect witness would be either the Archbishop of Canterbury or the Governor of the Bank of England. But there was considerable doubt as to whether either would say yes. And so, less famous for my probity but far more available, I was laid on." His narration is a delight: warm and humane and often gently humorous.
The story ended in February 1982 when "Ken Thomas" (later discovered to be a pseudonym) sent Kit Williams a drawing showing the rough location of the hare. He subsequently dug it up, but was never able to account for how he had solved the puzzle. His letter to Williams was crossed in the post by one from John Rousseau and Mike Barker, two physics teachers who had managed to recreate the perfect solution to the puzzle, but who had not managed to find the hare when they dug for it (Ken Thomas arrived a day later and discovered the hare in their discarded piles of earth). Gascoigne's book was published in 1983, 5 years before Thomas' cheating was revealed (although he does express some doubts about him in the book). I'm retrospectively livid about how Rousseau and Barker were cheated, but their "perfect solution" is reproduced in the back of the book, so at least they did get some credit for that.
I've put a couple of links to interesting articles in my review, and there's a good summary here if you want to read even more about it!
26. Masquerade by Kit Williams
After that, I had to go back and read the original! Still captivated by the detail in the paintings and by the dreamy, mythical quality of the story and settings 
.
27. Vermeer to Eternity by Anthony Horowitz
Barely counts as it's a Kindle Single - just a short story, really. But I'm trying to mop up all the unread books on my Kindle, so this was next in line. Characteristically twisty story about a woman who has found an unknown Vermeer among her husband's effects ... or has she? Very entertaining but also a bit silly.
28. Wine and Punishment by Sarah Fox
Mediocre cosy mystery novel about the owner of a "literary themed pub" in Vermont whose ex-partner comes to town and is promptly found murdered. I only chose it because I was looking for something easy to listen to on my commute to work, and the title looked promising. Unfortunately, that was the best thing about it. There were dozens of paper-thin characters whom I could barely differentiate, the protagonist was an irritating Nancy Drew-style busybody who wouldn't leave anything to the police and kept getting into scrapes as a result, and there was a ridiculous subplot involving the handsome owner of the brewery, whom she starts off hating and inevitably falls for - saying things like "It was ridiculous to want him to be innocent because he was attractive. Besides, I didn't even like the guy, so what did I care if he was good looking, and why did I care if he was innocent or not?" 
The writing was pedestrian and there were So. Many. Pointless. Details. My first real turkey of the year.