Teenage detectives Frank and Joe Hardy investigate a case of counterfeiting.

To their friends’ envy, Biff and Chet plan to take a boating vacation up the coast. The joy of sending them off soon turns to anxiety as neither of them make contact with home for several days. Convinced that something’s happened to them, the Hardy boys and their friends go on a search filled with adventure and peril in hopes of retrieving their missing chums. This is the fourth book of the Hardy boys series, first published in 1928. While the author is credited to be Franklin W. Dixon, in reality, Leslie MacFarlane and Edward Stratemeyer are primarily responsible for the early volumes, including this one. This Standard Ebooks edition is based on the original 1928 text. This book is part of the Standard Ebooks project, which produces free public domain ebooks.

Read the original Nancy Drew mystery! The Secret of the Old Clock is the mystery that began it all for America's favorite teenaged slueth. The accidental rescue of a little girl who lives with her two great-aunts leads to an adventurous search for a missing will.

The Hardy Boys series, first published in 1927, has sold more than 70 million copies! Now with a brand-new look, this is an edition that collectors won't want to miss! In The Secret of the Caves, the seventh book in the incredibly popular, long-running series, Frank and Joe Hardy discover the secret of the Honeycomb Caves while searching for a missing professor. A special treat for Hardy Boys fans and any reader who's new to the series!

Together in this one book are two of the Hardy Boys’ oldest mysteries that began the classic mystery series of the sleuthing siblings. In The Tower Treasure, the Hardy boys' summer is ruined by a red-haired robber striking all over town. No robbery is more devastating than of Tower Mansion, home to one of the wealthiest families around. To prove the mansion’s caretaker is innocent, the Hardy boys will have to solve the mystery of the stolen jewels before time runs out. In The House on the Cliff, Frank and Joe are asked to help out their famous private detective father on his latest drug smuggling case, which sends them to an old house on a cliff to serve as lookouts. But when cries for help lure the boys inside the house, they realize they could be in more danger than they thought.

When the calm of Saxford St Peter is disrupted by a deadly fire at the Old Mill, amateur sleuth Eve Mallow finds herself investigating a most surprising mystery! Everyone in Saxford St Peter is desperate to know more about Harry Tennant, the newcomer who owns the Old Mill. He usually keeps himself to himself, but he's finally invited the villagers round for drinks, and Eve Mallow isn't the only one looking forward to having some questions answered. But two days before the party, a terrible fire sweeps through the mill, and Harry is found dead. When Eve passes the burned remains of his beautiful house, she can't resist the call to investigate. Especially when it turns out quiet, charming Harry was living a double life as the famous advice writer Pippa Longford. Eve has to wonder what revelations were contained in the letters he received... and whether one of them was worth killing for. Accompanied by her reliable dachshund sidekick Gus, Eve starts digging. She soon realises Harry was at the centre of a web of lives - and lies. There's an uncle desperate to inherit, two women who thought they were his one and only, not to mention everyone who shared their darkest secrets with him. Was one of those strangers much closer to home than Harry knew? And can Eve untangle the truth before she finds herself face to face with a killer? A completely charming page-turner, perfect for fans of Faith Martin, Agatha Christie and Betty Rowlands. See what readers are saying about the Eve Mallow series: 'Utterly delightful!... I really enjoyed reading this book. It was the perfect cosy murder mystery to become immersed in... Keeps you on your toes!... I highly recommend this to the armchair detectives of the world!' The Two Quills 'I loved this book... Everything an old-fashioned sleuthing ought to be... I flew through the pages' Shalini's Books & Reviews, ⭐⭐⭐⭐⭐ 'Stunning... Loved the story and the pacing and just everything about it... A great story that I couldn't put down... The twists and turns were great.' Crossroad Reviews

A secret store of stolen silver, a surprising view through a telescope, a shrill scream on a night out, a disappearing cash box and a dangerous accident and a trap for the Secret Seven! This collection includes the following short stories: The Secret of Old Mill; The Humbug Adventure; Adventure On The Way Home; An Afternoon with The Secret Seven; Where are The Secret Seven?; Hurry, Secret Seven, Hurry!