Mystery Ranch

Violet and Jessie begin an adventure when they journey to Centerville to keep Aunt Jane company on the family ranch.

Houseboat Mystery

Floating down a lazy river, Benny finds a blackmail scheme in progress.

Surprise Island

Four children learn the joys of independence when they are allowed to spend their summer vacation on a small island.

The Yellow House Mystery

This series tells the tale of the Alden children who begin their adventures by making a home in a boxcar. Their goal is to stay together, and in the process they find a grandfather.

Mike's Mystery

A children's classic now available in Spanish. Benny and his friend Mike are in trouble when they are curious about a uranium mine.

Caboose Mystery

The Alden children find mystery and adventure as they journey along the Little North Railroad in a caboose that their grandfather rented for the summer.

Blue Bay Mystery

The four Alden children and their new friend Lars uncover a mystery during a trip to an island in the South Seas.

The Woodshed Mystery

A double puzzle involves an old friend of Aunt Jane's, romance, and a chase.

Mountain Top Mystery

Marooned on a mountain, the Aldens survive a landslide and find a Native American secret.

Schoolhouse Mystery

Grandpa Alden and the Alden children encounter danger, excitement, adventure, and mystery in a quiet island fishing village.

The Boxcar Children

The Aldens begin their adventure by making a home in a boxcar. Their goal is to stay together, and in the process they find a grandfather.

Let's Go Rock Collecting

Describes the formation and characteristics of igneous, metamorphic, and sedimentary rocks and how to recognize and collect them.

A Good Night for Ghosts (Original MTH #42, Merlin Mission #14)

Dinosaurs

Introduces dinosaurs, including how scientists know they existed, what they ate, how they cared for their young, and what the descendants of dinosaurs may look like today.

The Case Of the Hungry Stranger

Wizard and his friends are clueless when they are sent on the trail of a blueberry pie thief--until he hits on a plan that is sure to nab the sweet-toothed pilferer.

The Secret Maze

Tag and his friends have found Blaze's firehawk family! Now Tag and Skyla want to return home to Perodia. But they're trapped in the Land of the Firehawks! To get home, they must find their way through a mysterious underground maze. But the maze is full of confusing turns, and magical secrets. Will the friends be able to make it back to Perodia? And what dangers will they meet along the way?

Mercy Watson to the Rescue

Watson夫婦把小豬Mercy看作是自己的孩子，睡前還會為Mercy唱搖籃曲。有天晚上，Mercy因怕黑跑去和Watson夫婦一起睡。結果床竟然陷進地板懸在空中，Mercy肚子餓了想到廚房找吐司，所以跳離了床鋪，Watson先生卻以為Mercy要去找救兵了… ＊<span style="color:#EA7066">紐伯瑞兒童文學獎得主作品！</span> ＊此系列6本由於人物出現有次序性，建議按順序閱讀。

Henry and Mudge Take the Big Test

Henry and Mudge enroll in Jack Papp's Dog School, but Mudge is not a perfect student--he has other things on his mind. On the last day is the big test. Will Mudge pass and get a gold ribbon?

Super Fast, Out of Control!

Afraid of his new mountain bike, third-grader Marvin finds himself in a desperate situation when he accepts a challenge to ride down Suicide Hill.

The Smurfs #13: The Smurf Soup

When Gargamel meets a giant with an insatiable appetite, he comes up with a plan to use the giant to destroy the Smurfs: tell him that Smurfs make the most delicious soup in the world! Papa Smurf catches wind of the plot, and begins to create a potion that will enable them to turn the giant, nicknamed "Bigmouth," against Gargamel. But when Bigmouth stumbles into the Smurfs village, the potion isn't ready, and the Smurfs must distract the hungry giant, or meet an untimely end inside its belly.

The Capital Catch

Batter up! Baseball action and exciting whodunits star in this series! Next up is Washington D.C. and the Nationals team! Mike and Kate are about to face their biggest, most important mystery yet! Why? It involves the president of the United States! The president's brother is a catcher on the Nationals baseball team, and someone is stealing his equipment! Can these super-sleuths help the commander in chief catch a criminal? Ballpark Mysteries are the all-star matchup of fun sleuthing and baseball action, perfect for readers of Ron Roy's A to Z Mysteries and Matt Christopher's sports books, and younger siblings of Mike Lupica fans. Each Ballpark Mystery also features Dugout Notes, with more amazing baseball facts.

Great Migrations Amazing Animal Journeys

Based on the highly-acclaimed National Geographic Channel special, these high-interest readers blend amazing images with incredible stories of the perilous journeys some animals must take in order to survive, inviting readers to follow the fascinating migration paths of some of nature's most driven creatures, including butterflies, whales, elephants, zebras and others. Level 3 readers are perfect for kids who are reading on their own and are ready for a more challenging vocabulary and richer text.

Nate The Great And The Halloween Hunt

萬聖夜這天，Rosamond和Annie扮成小紅帽去要糖果，到了Nate家時，Rosamond裝了糖果的籃子已經很重無法再裝了，她不是要來要糖果的，她要來請Nate幫忙找她的黑貓Little Hex。過程中Nate和Sludge到一間鬼屋尋找，但沒找到。Little Hex到底在哪裡呢？ Getting all the facts, asking the right questions, and narrowing down the suspects, Nate the Great and his dog Sludge solve a variety of mysteries.