I have written 11 books, (hardbacks and paperbacks), my 12th is out early 2021. (Delayed by my publisher because of Covid-19!)  You can buy them from publishers or bookshops including WH Smith, Waterstones, Blackwells, Foyles etc.   They have been reviewed in newspapers and magazines including 
The Daily Mirror - Scottish Daily Record - Sunday Mail - The Daily Express - The Sunday Post - The Sun - The Londonist - The Good Book Guide - My Weekly -  The Scotsman - Choice magazine and The People's Friend.
Titles include:  The A-Z of Curious London,  The Little Book of Meditations,  What the British Invented: From the Great to the Downright Bonkers, Paranormal London,  Affirmations for Every Day, Haunted West End and The World's Greatest Castles and Palaces. 
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​Some reviews:
…Gilly’s tales are delivered in a quick-fire manner that leaves the reader satisfied.....Couldn't wait to turn the  page   ..The author clearly had a lot of fun researching this book and you’ll get the same from reading it .... Absolutely fascinating  ….fabulous read  - added greatly to my knowledge of  London   …easy to dip in and out of to get to your favourite tidbits. ….Gilly has done an excellent job of finding unusual facts instead of just run-of-the mill touristy information and history lessons.. ...a great read ....revelling in her eclectic collection, Gilly makes the quirky underbelly of one of the world’s great cities spring vibrantly to life..  ....Compulsive reading ..... fresh revelations ..narrative storytelling style... much more readable than the usual fact-packed miscellany' ...   ...although not fictional, Gilly endows her books with a quality seen in most novels; curiosity and suspense   '.....  By the book’s nature, we lose chronology and the past feels it is rubbing up against the present ..... 'hugely interesting read from start to finish'...... 'full of humour, interest and information'