Twice-daily mail delivery to every London home sounds ambitious enough. But Victorian engineers decided the streets were too crowded, and the obvious solution was to build an underground railway powered entirely by air pressure. It worked — sort of — for eleven years before someone realized it wasn’t actually saving much time. Historical novelist Lisa M. Lane went looking for what remains of that strange experiment, peered into a freshly dug trench at Euston Station hoping to spot the old tunnel, found the last surviving pneumatic mail car in a London museum, and stumbled across a memorial park full of forgotten Victorian heroes just around the corner from where the old General Post Office once stood. The history of London’s postal system turns out to be far weirder and more wonderful than anyone gives it credit for.

Victorian London had two art worlds running side by side. One hung on the walls of the National Gallery and the Royal Academy, where reputations were made and moral themes were painted in meticulous detail. The other traded in rather different imagery down the narrow lane of Holywell Street, where gentlemen browsed discreetly and photographers sold work that never made it into exhibitions. Historical novelist Lisa M. Lane walked both worlds while researching her Victorian mystery series — visiting the actual galleries, tracking down Rossetti’s paintings room by room, and finding the exact street where her fictional photographer would have had his studio. The result is a portrait of an art world far more complicated, competitive, and alive than most museum visits reveal.

Climb a narrow spiral staircase behind a small door in Southwark, and you step into something most London visitors never find — a Victorian operating theatre that was sealed behind a wall for nearly a century before anyone thought to look for it. No anesthesia. No disinfectant. Surgeons proud of the blood on their coats, working as fast as humanly possible while students watched from the seats above. Historical novelist Lisa M. Lane sat in those seats, heard the echoes of what happened there, and decided it was the perfect place to leave a body. The history she uncovered along the way — including a hospital that temporarily relocated to a former zoo — is stranger than any fiction.

Everyone pictures Victorian London by gaslight. Few stop to ask where that gas actually came from — or what it cost the people who made it. Behind those glowing lamps were stokers shoveling coal into furnaces, rivers choked with toxic waste, and corporate rivalries fierce enough to inspire a murder mystery. Historical novelist Lisa M. Lane went looking for what remains of that world, and found it hiding in plain sight — in the giant iron gasholders now converted into luxury apartments at King’s Cross, in a single surviving sewer lamp tucked behind the Savoy Hotel, and in the grimy, atmospheric details that bring Victorian London back to life one coal shovel at a time.