Tom Sawyer Abroad and Tom Sawyer Detective by Mark Twain (Signet Classics)

“Tom Sawyer Abroad” is a novel by Mark Twain, first published in 1894. It is a sequel to Twain’s earlier work “The Adventures of Tom Sawyer” and follows Tom Sawyer, Huckleberry Finn, and Jim as they travel by hot air balloon to Africa.

During their journey, the boys encounter various adventures and mishaps, including encounters with wild animals and a tribe of hostile natives. The story is notable for its humorous and satirical commentary on colonialism and Western views of Africa.

“Huckleberry Finn and Tom Sawyer Detective” is a separate novel by Mark Twain, first published in 1896. As mentioned in the previous answer, it is a sequel to Twain’s earlier works “The Adventures of Huckleberry Finn” and “The Adventures of Tom Sawyer” and follows the two main characters as they solve a mystery involving stolen diamonds.

In this book, Tom and Huck use their skills as amateur detectives to solve the crime and bring the thief to justice. The story is notable for its departure from the lighter tone of Twain’s previous works and for its exploration of darker themes, such as crime and morality.