The E.M.M.A. Effect: A Novel
By (Author) Lia Riley
HarperCollins Publishers Inc
Avon Books
1st April 2026
United States
General
Fiction
Contemporary lifestyle fiction
Romance
Modern and Contemporary romance
Fiction: pastiche
Fiction: mashup / crossover
Fiction: inspired by or adapted from other media
Paperback
304
Width 135mm, Height 203mm, Spine 17mm
295g
Jane Austen meets Ali Hazelwood in this steamy, friends-to-lovers, STEM rom-com! Hes her best friends little brother and NHL forward. Shes a computer scientist used to being in control. The E.M.M.A., her elite AI training program, claims optimizing his performance requires one thing: the perfect match. According to its calculations, thats her... Will Harriet discover that The E.M.M.A. knows best
Harriet Smythes AI was supposed to create sports legendsnot encourage her crush on her best friends totally off-limits, hot younger brother. But when funding runs dry, she has no choice but to enlist Gale Knight as her test subject. The same Gale shes been secretly crushing on for years. The player who follows her every instruction with a knowing smirk that threatens to short-circuit her carefully maintained system.
Everything changes when The E.M.M.A. determines that finding Gales perfect match is essential to his peak performance. Even worse According to its data, that match is Harriet.
Determined to keep things professional, she makes it search for new candidates. But as Gale dutifully endures awkward outings with pop stars and athletes, the chemistry between them only intensifies. And his willing cooperation during their sessions definitely isnt helping her stay focused.
With her deadline approaching and The E.M.M.A. still playing cupid, Harriet must choose: trust in pure logic, or admit that sometimes taking control means letting go.
Maybe The E.M.M.A. knows something they donteven if theyre not ready to compute it yet.
A romance featuring a hockey pro who time travels and enters into a marriage of convenience with Jane Austens bestie sounds like a wild concept, and Riley delivers all the fun that readers would expect in this playful, trope-filled diversion. Library Journal on Puck & Prejudice Sexy, sweet, and so damn funny! Mister Hockey is the perfect beach read. Jennifer Blackwood, USA Today bestsellingauthor of The Rule Book Riley launches her Hellions Angel series with this addictively readable sports romance written with a deliciously zesty sense of humor that will have fans of Susan Elizabeth Phillips cheering... the chemistry she crafts is so red-hot that readers will need to don hockey gloves while turning the pages. Booklist(starred review) onMister Hockey Sexy parts hot enough to melt ice. Kirkus Reviews on Mister Hockey
After studying at the University of Montana-Missoula, Lia Riley scoured the world armed only with a backpack, overconfidence and a terrible sense of direction. She counts shooting vodka with a Ukranian mechanic in Antarctica, sipping yerba mate with gauchos in Chile and swilling fourex with stationhands in Outback Australia among her accomplishments.