Previous versions of Thema are still available 1.3 1.2 1.1 1.0.
Browse the Thema subject categories hierarchy, or search for a specific term within the hierarchy.
|Y||Children’s, Teenage and Educational
Use all Y* codes for: material aimed at, or purposefully written or created for a juvenile or adolescent audience (except for graphic novels, comic books, manga in X*). DO NOT USE: code ‘Y’ itself, but select specific categories from section Y*. Use all Y* codes with: only one INTEREST AGE 5A* Qualifier to indicate a guideline starting interest age (detailed age ranges should be included in other metadata) – or for YP* use EDUCATIONAL PURPOSE 4* qualifiers. All other qualifiers can be used as appropriate with Y* codes. DO NOT USE for: material intended primarily for adults that may also appeal to older teenagers. For ‘new adult’ content see note at 5LKE
|YB||Children’s: picture books, activity books, early learning concepts
Use all YB* codes for: physical or digital items – the headings relate purely to the content, not the format (Format information is described in other metadata). Use all YB* codes with: only one INTEREST AGE 5A* Qualifier to indicate a guideline starting interest age
|YBC||Children’s picture books
Use all YBC* codes for: highly illustrated books (typically colour throughout) for children in which the content (either fiction or non-fiction) is conveyed through the use of words and pictures in combination or through pictures alone. A ‘picture book’ differs from a ‘book with illustrations’, in that the pictures it contains are at least as important as the text (if any) and form an essential component of the book. Use all YBC* codes with: other codes from Y* sections as appropriate, for example, YNB for Picture book biographies, or YPCA21 for picture books that are part of a structured reading scheme
|YBD||Children’s / Teenage: Chapter books (transitional storybooks)
Use for: Children’s storybooks that are primarily text, but still contain plentiful illustrations. Usually of a relatively short length and low complexity, divided into very short chapters, and intended for transitioning readers – those moving on from picture storybooks. Use with: relevant YF* codes to indicate the genre of story, as appropriate, or YN* or YX* categories as secondary codes for stories with specific themes.
Prefer: X* codes for stories told in comic book or manga form.
See also: YBCS Picture storybooks
|YBG||Children’s interactive and activity books and kits
Use all YBG* codes for: children’s (of any age group) activity and interactive products; works where the primary purpose and main content of the product is an activity that requires participation and interaction, i.e. something to do or make, whether single use (e.g. press out and make) or repeatable (e.g. touch and feel). Use all YBG* codes with: other Y* codes as appropriate.
Prefer: other Y* codes as the main category when the primary content (story or the subject) is more important than the interactivity. (Detailed format information is always described in other metadata)
|YBL||Early years / early learning concepts
Use all YBL* codes for: pre-school material only
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