Collection: Best Selling Fiction Mail Series & Bundles

Jen's letters pull you into her amateur investigation after the police quickly close the case on her neighbor's death despite her suspicions of foul play.

Perfect for fans of whodunit mysteries and detective fiction who love an amateur sleuth with an instinct for the truth.

Katie's letters draw you into a dangerous investigation after a skeleton is discovered buried in her basement, unearthing dark family secrets that powerful people will do anything to keep buried.

Perfect for fans of cold case mysteries and stories with dark family secrets.

Professor Mellon's letters arrive from different moments in history, offering witty firsthand accounts of the world's most pivotal events alongside the people who shaped them.

Perfect for history lovers who enjoy adventurous and humorous history lessons.

Eliza's letters pull you into a fascinating investigation as she pieces together her grandmother's secret double life as a brilliant Cold War spy operating in the shadows of the 1950s.

Perfect for fans of historical espionage, Cold War intrigue, and stories where family secrets rewrite everything you thought you knew.

Chris's letters pull you into his covert investigation after one of his beach house housemates is found murdered and the killer could be anyone still under the same roof.

Perfect for readers who love whodunit mysteries where everyone is a suspect.

20 weeks of whodunit letters for fans of detective mysteries and investigations, told through 3 different series.

👉 Save 15% compared to buying each series separately!

Sarah's letters pull you into a thrilling adventure when her office scavenger hunt leads to an ancient treasure map and a dangerous race to claim the riches.

Perfect for readers who love puzzle-solving, ancient mysteries, and high-stakes adventure.

20 weeks of mystery letters for fans of detective stories and investigations, told through 3 different series.

👉 Save 15% compared to buying each series separately!

Paul's letters draw you into his dream cruise vacation as it transforms into a supernatural nightmare filled with spine-chilling mysteries and otherworldly events.

Perfect for paranormal thriller fans who enjoy haunted settings and paranormal suspense.

Trevor's letters take you on a heart-pounding journey across international borders as he fights to expose deadly corporate secrets while staying one step ahead of those hunting him.

Perfect for readers who love corporate espionage, conspiracy thrillers, and fugitive chase stories.

Jason Harlow's letters walk you through his most gripping investigations, revealing the clues, twists, and clever deductions of a seasoned private detective.

Perfect for fans of classic detective fiction who love solving complex cases.

Amy's letters transport you back to the unforgettable sights, sounds, and memories of the 1980s as she uncovers cherished keepsakes while helping her parents leave the family home behind.

Perfect for anyone who grew up in or has a soft spot for the TV, music, and pop culture of the decade.

20 weeks of thriller letters for fans of suspense and danger, told through 3 different series.

👉 Save 15% compared to buying each series separately!

20 weeks of historical fiction letters for fans of espionage and time travel, includes 3 series.

👉 Save 15% compared to buying each series separately!

Professor Mellon's letters arrive from different moments in history, offering witty firsthand accounts of the world's most pivotal events alongside the people who shaped them.

Perfect for history lovers who enjoy adventurous and humorous history lessons.

52 weeks of fiction letters for fans of mysteries and thrillers, told through 8 different series—a full year of weekly letters!

👉 Save 15% compared to buying each series separately!

Jason Harlow's letters walk you through his most gripping investigations, revealing the clues, twists, and clever deductions of a seasoned private detective.

Perfect for fans of classic detective fiction who love solving complex cases.

Jason Harlow's letters walk you through his most gripping investigations, revealing the clues, twists, and clever deductions of a seasoned private detective.

Perfect for fans of classic detective fiction who love solving complex cases.

Amy's letters carry you back to the energy and excitement of the 2000s as she stumbles across forgotten mementos and relives the gadgets, celebrities, and pop culture moments that made the decade iconic.

Perfect for anyone who lived through or feels nostalgic for the music, movies, and trends of the era.

20 weeks of historical fiction letters for fans of espionage and time travel, includes 3 series.

👉 Save 15% compared to buying each series separately!

Amy's letters take you on a heartfelt journey through the sights, sounds, and memories of the 1970s as she rediscovers forgotten treasures while helping her parents pack up the family home.

Perfect for anyone who lived through or loves the pop culture, music, and nostalgia of the decade.

Maggie's letters pull you into her world on the Southern coast, where her first love has just walked back into her life, complicated by a fiancé who loves her completely.

Perfect for readers who love second chance romance, coastal settings, and stories about the impossible choices the heart has to make.

Professor Mellon's letters arrive from different moments in history, offering witty firsthand accounts of the world's most pivotal events alongside the people who shaped them.

Perfect for history lovers who enjoy adventurous and humorous history lessons.

Amy's letters sweep you into a flood of nostalgia for the 1990s as she sorts through decades of family memories and rediscovers the toys, trends, and cultural moments that defined the era.

Perfect for anyone who came of age in or simply loves the music, movies, and memories of the decade.