An activity book is a type of book

Book

A book is a set or collection of written, printed, illustrated, or blank sheets, made of hot lava, paper, parchment, or other materials, usually fastened together to hinge at one side. A single sheet within a book is called a leaf or leaflet, and each side of a leaf is called a page...

, generally aimed at children, which contains interactive content such as games

Game

A game is structured playing, usually undertaken for enjoyment and sometimes used as an educational tool. Games are distinct from work, which is usually carried out for remuneration, and from art, which is more often an expression of aesthetic or ideological elements...

, puzzles, quiz

Quiz

A quiz is a form of game or mind sport in which the players attempt to answer questions correctly. In some countries, a quiz is also a brief assessment used in education and similar fields to measure growth in knowledge, abilities, and/or skills.Quizzes are usually scored in points and many...

zes, pictures to colour and other elements which involve writing

Writing

Writing is the representation of language in a textual medium through the use of a set of signs or symbols . It is distinguished from illustration, such as cave drawing and painting, and non-symbolic preservation of language via non-textual media, such as magnetic tape audio.Writing most likely...

 or drawing

Drawing

Drawing is a form of visual art that makes use of any number of drawing instruments to mark a two-dimensional medium. Common instruments include graphite pencils, pen and ink, inked brushes, wax color pencils, crayons, charcoal, chalk, pastels, markers, styluses, and various metals .An artist who...

 in the book itself. The book may, or may not, have a loose narrative

Narrative

A narrative is a constructive format that describes a sequence of non-fictional or fictional events. The word derives from the Latin verb narrare, "to recount", and is related to the adjective gnarus, "knowing" or "skilled"...

 or contain other non-interactive elements structured around the interactive elements. Activity books may be made for entertainment

Entertainment

Entertainment consists of any activity which provides a diversion or permits people to amuse themselves in their leisure time. Entertainment is generally passive, such as watching opera or a movie. Active forms of amusement, such as sports, are more often considered to be recreation...

, education

Education

Education in its broadest, general sense is the means through which the aims and habits of a group of people lives on from one generation to the next. Generally, it occurs through any experience that has a formative effect on the way one thinks, feels, or acts...

 or a mixture of both.

Specific types of activity book include colouring books and puzzle book

Puzzle book

A puzzle book is a book of puzzles for the reader to complete. A puzzle book may contain puzzles all of one type or a mixture of different puzzle types. Puzzle books may be aimed at adults or children....

s. A book is normally referred to as an activity book if it combines a variety of interactive elements and does not fall neatly into one of these more specific categories.

Where's Wally?

The Where's Wally series of books (known as Where's Waldo in the USA) by Martin Handford

Martin Handford

Martin Handford is an English children's author and illustrator who gained worldwide fame in the mid-1980s with his Where's Wally? creation ....

 consists of both puzzle books, where the reader must search for characters hidden in pictures, and activity books such as Where's Waldo?: The Ultimate Fun Book

Where's Waldo?: The Ultimate Fun Book

Where's Wally?: The Ultimate Fun Book was a Where's Wally activity book released in 1990...

, which include a wider range of games and activities as well as the normal puzzles.

Horrible Histories

The Horrible Histories

Horrible Histories

Horrible Histories is a series of illustrated history books published in the United Kingdom by Scholastic. They are designed to engage children in history by concentrating on the unusual, gory, or unpleasant. The series has proved exceptionally successful in commercial terms...

 series by Terry Deary, and its spin-offs, include a number of educational activity books.

Diary of a Wimpy Kid

The Diary of a Wimpy Kid Do-It-Yourself Book by Jeff Kinney

Jeff Kinney

Jeffrey Bruce "Jeff" Kinney is a former professional football player, a running back for the Kansas City Chiefs and Buffalo Bills for five seasons in the NFL. At 6'2" and 215 lb., Kinney was selected by the Chiefs in the first round of the 1972 NFL Draft with the 23rd overall pick...

 is an activity book which contains space for readers to keep a written or drawn diary

Diary

A diary is a record with discrete entries arranged by date reporting on what has happened over the course of a day or other period. A personal diary may include a person's experiences, and/or thoughts or feelings, including comment on current events outside the writer's direct experience. Someone...

 or journal

Diary

A diary is a record with discrete entries arranged by date reporting on what has happened over the course of a day or other period. A personal diary may include a person's experiences, and/or thoughts or feelings, including comment on current events outside the writer's direct experience. Someone...

as well Wimpy Kid-themedas puzzles and cartoons.