--- title: "Book" language: "en" type: "Entity" summary: "Notable books and other texts." canonical_url: "https://reference.wolfram.com/language/ref/entity/Book.html" source: "Wolfram Language Documentation" related_guides: - title: "Entity Types" link: "https://reference.wolfram.com/language/guide/EntityTypes.en.md" --- # Book Notable books and other texts. [Related Interpreter](https://reference.wolfram.com/language/ref/interpreter/Book.en.md) Entity["Book", name] or Entity[...] represents an entity of type "Book". Entity[...][prop] gives the value of a specified property. Entity[...][{propi, …}] gives the value of a list of properties. EntityClass["Book", {propi -> speci, …}] represents a class of entities with values of propi defined by speci. ## Sample Entities * Entity["Book", "2010OdysseyTwo"]Entity["Book", "AdventuresOfTomSawyer"]Entity["Book", "GettingThingsDone"]Entity["Book", "HelliconiaSummer"]Entity["Book", "HeavenAndHell1865"]Entity["Book", "Orestes"]Entity["Book", "RepublicanGomorrah"]Entity["Book", "TheGrapesOfWrath"]Entity["Book", "TheSituationAndTheStoryTheArtOfPersonalNarrative"]Entity["Book", "TheTwoNobleKinsmen"]**…** ## Sample Entity Classes * EntityClass["Book", "SILVERBooks"]EntityClass["Book", "AlexCrossBooks"]EntityClass["Book", "CorpsSeriesBooks"]EntityClass["Book", "HitchhikersGuideBooks"]EntityClass["Book", "HeavenTreeBooks"]EntityClass["Book", "ArtemisFowl"]EntityClass["Book", "ViscountOfAdrilankhaBooks"]EntityClass["Book", "FantasticVoyageBooks"]EntityClass["Book", "DresdenFilesBooks"]EntityClass["Book", "ThrawnBooks"]**…** ## Properties | | | | ---------------- | ---------------------- | | Author | author | | Awards | awards | | EnglishPlaintext | English plain text | | EntityClasses | entity classes | | EntityTypeList | entity type list | | FirstPublished | first publication date | | Image | image | | Name | title | | OriginalLanguage | original language | | OriginalTitle | original title | | Plaintext | plain text | | Publisher | publisher | ## Details * ``"Book"`` entities include notable novels, nonfiction books, poems, anthologies and other written works. * ``"Book"`` entity classes include book series and other works frequently gathered together. * Some properties are available for the ``"Book"`` entity type as a whole and can be given using the form ``EntityValue["Book", property]``. Such properties include: | | | | ----------------------------- | ------------------------------------------------------------------ | | "Properties" | the list of available properties | | "PropertyCanonicalNames" | the standard names of available properties | | "SampleEntities" | a sample list of available entities (typically of length 10) | | "SampleEntityClasses" | a sample list of available entity classes (typically of length 10) | | "EntityCount" | number of entities available | | "Entities" | the list of available entities | | "EntityCanonicalNames" | the standard names of available entities | | "EntityClasses" | the list of available entity classes | | "EntityClassCanonicalNames" | the standard names of available entity classes | | "PropertyClasses" | the list of available property classes | | "PropertyClassCanonicalNames" | the standard names of available property classes | | "PropertyCount" | number of properties available | * The following annotations can be used in the third argument of ``EntityValue["Book", property, annotation]`` : | | | | --- | --- | | "Source" | source information for the property | | "Date" | the date associated with the entity-property value (if any) | | "EntityAssociation" | an association of entities and entity-property values | | "PropertyAssociation" | an association of properties and entity-property values | | "EntityPropertyAssociation" | an association in which the specified entities are keys, and values are a nested association of properties and entity-property values | | "PropertyEntityAssociation" | an association in which the specified properties are keys, and values are a nested association of entities and entity-property values | | "Dataset" | a dataset in which the specified entities are keys, and values are an association of property names and entity-property values | * The following annotations can be used in the second argument of ``EntityValue[property, annotation]`` : | | | | ------------------------ | --------------------------------------------------------------- | | "Qualifiers" | the list of possible qualifiers for the property | | "QualifierValues" | the list of possible values that can be given to each qualifier | | "DefaultQualifierValues" | the list of default values for the property's qualifiers | | "Description" | a brief textual description of the property | | "Definition" | a detailed textual definition of the property | | "PhysicalQuantity" | the physical quantity associated with the entity-property value | | "Unit" | the unit associated with the entity-property value | * A qualifier value of ``Automatic`` indicates that an applicable format of values can be used; e.g. for the ``"Date"`` qualifier, this includes a proper date or date span. --- ## Examples (7) ### Basic Examples (4) Use ctrl+= for entity discovery: ```wl In[1]:= \[FreeformPrompt]["l'écriture et la différence"] Out[1]= Entity["Book", "WritingAndDifferenc1967"] ``` --- Find a property value for an entity: ```wl In[1]:= Entity["Book", "TheGrapesOfWrath"]["Awards"] Out[1]= {"Pulitzer Prize for Fiction"} ``` --- Retrieve a dataset of specified properties for an entity: ```wl In[1]:= Entity["Book", "AdventuresOfTomSawyer"][{"Author", "FirstPublished", "Image", "Publisher"}, "Dataset"] Out[1]= Dataset[Association["Author" -> {Entity["Person", "MarkTwain::2f237"]}, "FirstPublished" -> DateObject[{1876}, "Year"], "Image" -> Image[CompressedData["«46943»"], "Byte", ColorSpace -> "RGB", ImageResolution -> {72, 72}, Interleaving -> ... Tom_Sawyer_%28Barnes_Noble_Classics_Series%29_%28Barnes_Noble_Classics\ %29", "URL" -> "http://www.devel.wolframcdn.com/waimage/hset065/fcb/fcbf4daffd5772415900f6dfdbafe3ad_v001s.\ jpg"]], "Publisher" -> "The American Publishing Company"]] ``` --- Find books written by Ray Bradbury: ```wl In[1]:= EntityClass["Book", "Author" -> Entity["Person", "RayBradbury::n6qrj"]]//EntityList Out[1]= {Entity["Book", "DarkCarnival1947"], Entity["Book", "TheMartianChronicles"], Entity["Book", "TheIllustratedMan1951"], Entity["Book", "Fahrenheit451"], Entity["Book", "TheGoldenApplesOfTheSun1953"], Entity["Book", "TheOctoberCountry1955"], Entity["B ... k", "OneMoreForTheRoad2001"], Entity["Book", "BradburyStories100OfHisMostCelebratedTales2003"], Entity["Book", "FarewellSummer2006"], Entity["Book", "NowAndForeverSomewhereABandIsPlaying&Leviathan99"], Entity["Book", "TheDragonWhoAteHisTail2007"]} ``` ### Relations to Other Entity Types (1) Find books by Charles Dickens: ```wl In[1]:= EntityList@EntityClass["Book", "Author" -> Entity["Person", "CharlesDickens::h6573"]] Out[1]= {Entity["Book", "ThePickwickPapers"], Entity["Book", "OliverTwist"], Entity["Book", "NicholasNickleby"], Entity["Book", "TheOldCuriosityShop"], Entity["Book", "BarnabyRudgeATaleOfTheRiotsOfEighty"], Entity["Book", "MartinChuzzlewit"], Entity["Book" ... ity["Book", "HardTimes"], Entity["Book", "LittleDorrit"], Entity["Book", "ATaleOfTwoCities"], Entity["Book", "GreatExpectations"], Entity["Book", "OurMutualFriend"], Entity["Book", "TheMysteryOfEdwinDrood"], Entity["Book", "PipAndTheZombies2010"]} ``` ### Neat Examples (2) Construct a timeline of books by J. K. Rowling: ```wl In[1]:= Module[{books = EntityList[EntityClass["Book", "Author" -> Entity["Person", "JKRowling::z8f97"]]]}, TimelinePlot[List /@ Rule@@@EntityValue[books, {EntityProperty["Book", "FirstPublished"], EntityProperty["Book", "Name"]}]]] Out[1]= [image] ``` --- Make a ``WordCloud`` of the text of *The Scarlet Letter* : ```wl In[1]:= WordCloud[ToLowerCase@DeleteStopwords[Entity["Book", "TheScarletLetter"]["Plaintext"]]] Out[1]= [image] ``` ## See Also * [`Periodical`](https://reference.wolfram.com/language/ref/entity/Periodical.en.md) * [`Artwork`](https://reference.wolfram.com/language/ref/entity/Artwork.en.md) * [`FictionalCharacter`](https://reference.wolfram.com/language/ref/entity/FictionalCharacter.en.md) * [`Book`](https://reference.wolfram.com/language/ref/interpreter/Book.en.md) * [`BookClass`](https://reference.wolfram.com/language/ref/interpreter/BookClass.en.md) * [`ComputedBook`](https://reference.wolfram.com/language/ref/interpreter/ComputedBook.en.md) * [`Book`](https://reference.wolfram.com/language/ref/textcontent/Book.en.md) ## Related Guides * [Entity Types](https://reference.wolfram.com/language/guide/EntityTypes.en.md) ## History * [Introduced in 2019 (12.0)](https://reference.wolfram.com/language/guide/SummaryOfNewFeaturesIn120.en.md)