A is for author...A famous writer is coming to Green Lawn! Dink rushes to the bookstore to meet his favorite author, Wallis Wallace, and get all his books signed. But the author never shows up! Where is Wallis Wallace? It’s up to Dink and his friends Josh and Ruth Rose to track him down.

B is for Bandit...There’s a bank robber in Green Lawn! A red-haired kid took a video of the crime, but nobody can find him. Without the video, will the robber go free? Dink, Josh and Ruth Rose must track down that kid --- before the bandit does!

C is for Canary...Green Lawn has a pet problem! Dink’s neighbor can’t find her canary. Ruth Rose’s cat, Tiger, has also disappeared. Then the kids hear about two more missing critters. Is there a pet-napper in town? Dink, Josh and Ruth Rose are on the case!

D is for Dungeon...Get ready for a sleepover --- in a castle! Soon after the kids arrive at Moose Manor in Maine, they hear strange sounds behind the walls. Does this castle have a hidden dungeon? And could it be haunted? Dink, Josh and Ruth Rose are dying to find out!

E is for Envelope...Who is sending letters to Dink? All week long, Dink has been getting strange mail. The envelopes are addressed to “D. Duncan,” but the letters inside are for someone named Doris. Plus, one envelope is empty! Could it be a secret code? And can Dink, Josh and Ruth Rose crack it?

F is for Falcon...Find those falcons! After Josh discovers a falcons’ nest, he checks on the young birds every day. But when he tries to show Dink and Ruth Rose, the nest is empty! Could someone have taken the baby falcons? Soar into the mystery with Dink, Josh and Ruth Rose!

G is for Gold...There’s sunken treasure off the Florida coast! On the day after they arrive for vacation, Dink, Josh and Ruth Rose meet two men who are diving for gold from their boat, the Golden Goose. They promise to share with anyone who backs their plan. Is it too good to be true?

H is for Haunted...a ghost has checked into the Shangri-la Hotel! It's almost Halloween, and reports of strange sounds and even stranger sights are coming from Green Lawn's only hotel. Every day, more and more guests are being scared away. Everyone else is getting scared, too! Dink, Josh and Ruth Rose must figure out what's going on and catch the ghost --- before Green Lawn turns into a ghost town!

I is for Island...It’s picnic time! Dink, Josh and Ruth Rose pack up a basket and wade out to Squall Island. Right away, they find a hundred-dollar bill in the sand! But when they come back the next day, the entire island has mysteriously disappeared. What is the secret of Squall Island?

J is for Jewel...New York is the emerald city! Dink’s uncle’s museum there has a new treasure --- a golden jaguar statue with an emerald between its paws. But someone swaps the jewel for a fake! Who stole the jaguar’s jewel? Dink, Josh and Ruth Rose are sure to find out!

K is for Kidnapped...The king and queen of Costra have been kidnapped. For his own safety, Prince Sammi comes to Green Lawn to hide out at Dink’s house. But then Sammi is captured, too! Who kidnapped the king and his family? It’s a royal mystery for Dink, Josh and Ruth Rose.

L is for Lucky...Lucky O’Leary has never been lucky --- until his grandfather sends him a winning lottery ticket! But before Lucky can collect the cash, someone steals the ticket. Has Lucky’s luck run out for good? Dink, Josh and Ruth Rose take a chance on this unlucky mystery.

M is for Mummy...Dink, Josh and Ruth Rose want their mummy! It’s Mummy Monday at the museum, and the kids get to see a child mummy in an actual tomb. But then someone robs the tomb and steals the mummy. Can the three friends unravel the mystery?

N is for Nugget...Howdy from Montana, pardners! Dink, Josh and Ruth Rose are spending a week at a dude ranch. When they pan for gold, Josh finds a huge nugget. But gold fever has struck, and soon the nugget is stolen. It’s up to the kids to round up the thief.

O is for Orange...An art thief is on the loose! Dink, Josh and Ruth Rose are visiting Dink’s uncle Warren in New York City when a painting is stolen from his apartment. A trail of orange peels and an orange hair are the only clues. Can the kids catch this crafty --- and hungry --- crook?

P is for Panda...There’s panda-monium in Green Lawn! The town is building a new park for a panda and her baby. But soon, the baby is panda-napped for a million-dollar ransom. Can Dink, Josh and Ruth Rose solve the puzzle before Green Lawn has to pay up?

Q is for Quicksand...Quack, quack --- ducks crossing! Green Lawn is raising funds for a special bridge to keep ducks safe when they cross River Road. But then the money is stolen! Dink, Josh and Ruth Rose are on a quest to get it back. Not even quicksand can stop them…

R is for Racehorse...And they’re off! The kids can’t wait to see Uncle Warren’s racehorse Whirlaway’s big event. But then the horse disappears. He shows up the next day, just in time to lose the race. Why is Whirlaway suddenly so slow? Dink, Josh and Ruth Rose are on the case!

S is for Skeleton...It’s a bona fide mystery at Dink’s school! Someone has stolen Mr. Bones, the skeleton from the nurse’s office. Soon mysterious clues start showing up all over the school. Dink, Josh and Ruth Rose must follow the clues and put those old bones to rest.

T is for T. Rex...It’s the biggest mystery yet! The kids’ friend Jud brings a surprise to Green Lawn --- a giant talking, moving T. rex statue! This touring T. rex will help raise funds for a dinosaur museum. But after the show, Jud’s money disappears. Can Dink, Josh and Ruth Rose track down the cash and solve this prehistoric pickle?

U is for Umpire...Play ball! While the whole town of Green Lawn is watching the women take on the men in a charity baseball game, Mr. Pocket’s prized baseball collection is stolen! The police suspect the umpire of foul play. Can Dink, Josh and Ruth Rose prove his innocence...or will they strike out?

V is for Vampire...Grab your garlic! When the kids follow a mysterious pale and dark-haired stranger into Ellie’s Diner, he suddenly vanishes! Then they see a cut on Ellie’s neck. Could it be a vampire bite? And will Dink, Josh and Ruth Rose be his next victims?

W is for Wolf...Where could those wolves be? When the kids visit the Maine wilderness, they spot a white mother wolf and her babies on a cliff. But soon after that, the pups are stolen! Can Dink, Josh and Ruth Rose sniff out the culprits?

X is for X-Ray…X marks the spot! When the kids go to a concert, Dink injures his arm. At the same time, the singer’s diamond necklace is stolen. Are the two mishaps connected? And could Dink’s X-ray have the answers? It’s up to Dink, Josh and Ruth Rose to examine the evidence!

Y is for Yacht…There’s trouble in paradise! The kids are having a great time swimming, snorkeling and soaking up the sun in Costra. But the fun is cut short when there’s a robbery on the island. Is the heist connected to a mysterious yacht docked nearby? It’s up to Dink, Josh and Ruth Rose to find out.

Z is for Zombie…There’s a zombie on the loose! When Dink, Josh and Ruth Rose visit the Louisiana bayous, they meet a village with one spooky problem. Locals say a silver-haired zombie is digging up graves in the cemetery. Are the stories real? Dink, Josh and Ruth Rose will unearth the truth!

Welcome to summer camp for detectives! The kids can’t wait to spend a week following clues and learning about the science of crime solving. Soon all the campers are working on a mystery. But while Dink, Josh and Ruth Rose are figuring out their part of the puzzle, they stumble onto something suspicious. Could a real crime be happening at detective camp?

The hunt is on! Dink, Josh and Ruth Rose are spending Thanksgiving in Plymouth, Massachusetts. They can't wait to see the sights and have a Thanksgiving dinner, just like the Pilgrims would have eaten. Then the kids learn about a sapphire necklace that went missing on the real Mayflower. Could the 400-year-old treasure be hidden somewhere nearby? And will someone else find it before they do? 

It’s winter in Washington, D.C.! Dink, Josh and Ruth Rose are visiting the White House in snowy December, when they meet the president's stepdaughter, KC, and her friend Marshall. But in the confusion caused by all the people decorating the White House for Christmas, the president's dog goes missing! All five kids set out to find her, but it's not going to be easy. It's getting dark, and a monster snowstorm is on the way. Will they find the presidential pooch in time?

Fireworks and dragons and…a missing girl? Dink, Josh and Ruth Rose are in San Francisco, home of the biggest Chinatown outside Asia. They plan to watch the famous Chinese New Year parade and see Miss Chinatown ride by in a giant float. But during the parade, Miss Chinatown disappears, and so does her crown! Can the kids crack the case?

Look out, London! Dink, Josh and Ruth Rose are thrilled to see Big Ben, ride the London Eye and tour Madame Tussauds wax museum. Then big news hits --- someone has stolen Queen Elizabeth’s jewels right outside Windsor Castle! The friends head to the castle to check for clues. But can three kids from Green Lawn find evidence that Scotland Yard has missed?

Thar she blows! Dink, Josh and Ruth Rose are on an Alaskan whale watching adventure. On their first day, they see a mother orca and her calf. But the next day, the baby orca is missing! The calf needs its mother’s milk. Can the kids solve this whale of a mystery?

It’s Valentine’s Day in Green Lawn! But Dink, Josh and Ruth Rose just aren’t feeling the love this year. Valentine’s Day was so much more fun when they were little. Then they each start getting messages and clues from a secret admirer! Can the kids figure out who wants to be their Valentine?