Would-be detectives Trevor, Nick and Robyn are hot on the trail of a sandwich thief when they learn that more than food has been going missing at school. A valuable hockey book has been stolen from the library, and the kids worry that the librarian might lose her job if it isn't found. Who would steal a hockey book? Could it be Robyn's arch-nemesis and hockey enthusiast Clay? Or could it be Ms. Thorson, the Oiler fan teacher? The kids are determined to solve these mysteries even though their sleuthing efforts land them into trouble at every turn.
Sam and Annabel are visiting Sam's mom in Drumheller, Alberta. The farm she is living on is hosting a dinosaur dig. Annabel is thrilled to have access to paleontologists and spends as much time as she can near the dig, much to Sam's dismay. But when they learn the dig has uncovered scientifically important bones, even Sam is curious. In fact, the whole town is talking about the discovery. When Sam and Annabel learn that Humphrey Battleford, a famous collector of stolen goods, is in the area, they realize they need to do their part to keep the ancient bones safe.
When Trevor, Nick and Robyn visit the Royal Tyrrell Museum, Robyn is inspired to raise funds for a dinosaur dig that will close soon if it doesn't find funding. The kids are caught up in another mystery when a chain of suspicious events, including the disappearance of important fossils and a fraudulent discovery at the dig, leads them to wonder what's going on. Is the new visiting scientist behind the fraud, or did Robyn's enthusiasm to save the dig lead her astray?
Erik and his friends spend all their time on the water, exploring the shoreline and islands off British Columbia's Sunshine Coast. While they all have experience with boats and the outdoors, the unpredictable weather and fickle seas often manage to test their courage and abilities. While exploring a burned-out homestead on a remote island, the teens find themselves involved in a decades-old crime and realize that danger still lurks in the coastal rain forest. After befriending Gary, a retired logger who lives alone, Erik and the others learn of the death of Gary's aunt and uncle in a suspicious fire years before. They are then shocked to find they have aroused the interest of a shadowy stranger who seems to have designs on Gary's home and boat, and perhaps, most terrifyingly, his life. Frantically trying to unravel the web of secrets, the teenagers are in a race to save Gary and ultimately themselves.
Trevor, Nick and Robyn are ready to solve another mystery. When bobsledder Josh Gantz is accused of deliberately injuring a fellow competitor, he runs the risk of being thrown out of the sport—right before the World Cup. Courtney Gantz asks Trevor, Nick and Robyn to help clear her brother's name. Can they find out who framed Josh? What is the meaning of the strange coded messages they keep finding around Olympic Park? Who eats orange bananas, anyway? The kids must unearth the clues in a race against time, before Josh's championship dreams end up on ice.
While volunteering at the local zoo, Robyn, Nick and Trevor learn that grizzly bears are being poached and their gall bladders removed for use in alternative medicine. Always ready to solve a mystery, the kids set out to find the poachers. Bear is not only big game, they learn, but big money to poachers. The stakes are high and the suspects many, as the kids head into their most dangerous adventure yet.
Trevor, Robyn and Nick decide they have a mystery to solve when Trevor discovers a suspicious looking young man snooping around. They learn about missing research involving the use of carob beans to aid in cancer treatment-potentially valuable information. With a shady looking grad student, a bitter activist and an employee of a medical research firm to deal with, our amateur sleuths are faced with their greatest challenge yet.
The mayor's six-year-old son, Ben Carter, is missing-and Lauren's brother, Tom, is the main suspect. Lauren knows her brother would never harm anyone, but the police don't agree. Ben's stepbrother doesn't agree. The mayor certainly doesn't agree. To some people in Resurrection Falls, Tom is the freak who, rumor has it, once tried to lure a kid into the woods.
But if Tom is innocent, why was he lurking around outside the mayor's house the night Ben disappeared? And why has he also vanished? After teaming up with Tom's friend, Grady, a computer enthusiast and part-time hacker, Lauren decides that rather than try to prove Tom's innocence, they should simply give the police some more options. Because everyone, even the mayor's apparently perfect family, has secrets.
Sixteen-year-old Tom LeFave is trying to hold his world together. His family's marina is struggling. His dad is full of secrets. And the quarterback of the football team hates his guts. When a huge yacht docks at Tom's marina, things look brighter, especially when he meets Kat, the daughter of the boat's owner. Kat and Tom share a love of rum-running history. It's not long, however, before Tom starts to realize there's something more than history happening on the river. And if Tom can't figure it out in time, he just might be history too.
When Jason agrees to go camping with his cousin Sean, he doesn't picture two weeks at a War of 1812 reenactment camp. But that's where he ends up. The historically accurate camp bans all trappings of modern life, like cell phones and electricity. Jason is not impressed, but they do get to fire muskets, and he secretly likes that, despite the general dorkiness of the camp. And then there's the cute girl who works in the mess tent. And the sneaking around at night getting into trouble, which is fun—until Jason and his friends keep running into a camp counselor who is clearly up to no good. They resolve to find out exactly what the counselor is up to, but they may have taken on more than they can handle.
Trevor has started his first job at Ashton's Fresh Marketplace, where someone has been tampering with the food. Cayenne has been sprinkled on cookies, garlic put in coffee, and plastic insects hidden in fruit displays to terrify customers. Trevor and his friends Nick and Robyn decide to find out who is out to destroy the store's reputation. Is it Mattie, the disgruntled ex-employee? Or perhaps the competition? Or is it Alex, their schoolmate who doesn't know when a joke has gone too far? Their snooping makes the kids themselves seem suspicious, and soon they realize they have to solve the mystery before Trevor gets fired for a crime he didn't commit.
On a visit to a seaside town in Australia, fifteen-year-old Sam meets Annabel, who works at the local museum. Annabel's interest in history is infectious, and Sam soon finds himself eager to hunt for the remains of a boat called the Mahogany Ship—a shipwreck sought after by many. When a storm creates an erosion hole that exposes a structure, Sam and Annabel are convinced it's the fabled ship. Soon all of the museum staff are at the erosion site to check it out. But the same storm also destroys the museum's power; someone knows the alarms aren't working and steals the museum's most treasured artifact, a large porcelain peacock worth $4 million. As Sam and Annabel search for the thief, they realize there may be a link between the fabled shipwreck and the recent theft.
Even if Kenzie's dog had somehow managed to escape from the family's fenced backyard, Kenzie knows the big, lovable chocolate Lab wouldn't have gone far. As they search for Clancy, Kenzie and his dad keep hearing stories about other dogs that have gone missing too. When Kenzie finds Clancy's ID tag and spots a van loaded up with dog food, he knows he has to investigate further. With the help of a schoolmate whose dog has also disappeared, Kenzie uncovers an illegal operation that grabs dogs off the street and turns them into bloodthirsty killers.