How to Record a Curved Art Book Bound on Both Sides, Open at the Center, with Unequal Pages

Record the book through four connected features: its curved form, bindings on both sides, central opening and unequal pages. Use a short description and an annotated sketch, leaving unspecified details unresolved.

The task is to make those relationships readable together. A drawing that preserves the curve but substitutes an ordinary central spine changes the scene. So does a description that mentions unequal pages without retaining the bindings on both sides. Begin with the supplied geometry, then add detail only where the visual information supports it.

What must the record preserve?

Write a compact statement before attempting a detailed drawing: “A curved art book is bound on both sides, opens at the center and has unequal pages.” This captures the available scene without assigning page counts, illustrations, dimensions or a construction method.

Next, separate the information into relationships that a reader can follow. The curve belongs to the book’s form; the bindings occupy both sides; the opening is central; the pages are unequal. These statements do not yet establish which particular surfaces curve, how the bindings attach, or the dimension in which the pages differ.

That order follows a useful descriptive principle: begin with the essential subject and then explain its spatial details. Cooper Hewitt’s image-description guidelines recommend starting with the most important content, maintaining a consistent spatial order and describing elements in relation to one another. Applied here, the book’s unusual arrangement should come before surface decoration. Cooper Hewitt Guidelines for Image Description (https://www.cooperhewitt.org/cooper-hewitt-guidelines-for-image-description/)

Use a small distinction throughout the record: supplied features, unresolved details and illustrative drawing choices. A feature belongs in the description when it is given. An unresolved detail belongs in a note. A drawing choice needs a label when it makes the image more specific than the supplied scene.

How do you locate both bindings without inventing a book structure?

Keep “bound on both sides” as the primary description. Locate each binding relative to the central opening wherever those positions are clear. If the exact attachment points are unspecified, retain the relationship in words rather than drawing a detailed fastening system.

A binding label should identify an attachment region without quietly turning it into a familiar spine. For example, an illustrative diagram could use the labels “binding on one side,” “central opening” and “binding on the other side.” These are annotation choices, not additional observations about the object.

Avoid choosing a named binding merely because it sounds similar. The University of Utah’s Opening Artists’ Books glossary defines a dos-à-dos structure through multiple text blocks, a shared three-paneled cover and fore-edges facing opposite directions. Those are specific construction relationships. The supplied scene does not establish them, so “dos-à-dos” would add an unsupported identification. Opening Artists’ Books: dos-à-dos (https://oab.lib.utah.edu/artist_book_term/dos-a-dos/)

The same restraint applies to stitching, rings, adhesive, hinges and cover boards. They would each make a different structural claim. Preserve the fact of attachment on both sides, and leave the means of attachment unspecified. The resulting record can remain precise even when it cannot explain how the object was made.

How can you record unequal pages precisely?

“Unequal” establishes a difference but does not identify its direction or extent. Before adding page outlines, ask what kind of difference is actually available to record. This diagnostic sequence helps prevent one broad word from becoming an invented arrangement:

• Is unequal height specified, unequal width, or a different outline?

• Is one visible page described as extending beyond another?

• Is the difference between individual pages, rather than between the apparent thicknesses of page groups?

• Is the direction of the inequality clear, or is only the fact of inequality supplied?

For this scene, retain “unequal pages” unless further visual detail establishes one of those more specific relations. Do not automatically turn the phrase into stepped edges, alternating sizes or a larger page on a particular side. Each would select an arrangement that the description leaves open.

When a difference is visible but unmeasured, relational wording can carry it without false precision. As an illustrative example, “one page extends farther toward the opening than the adjacent page” identifies a direction and a comparison. It should be used only for a scene that actually provides that relation; it is not an added detail of this book.

Also distinguish apparent size from established size. If a record only shows that one page looks narrower from a particular view, describe that appearance. Calling it physically narrower makes a stronger claim. For the supplied scene, no viewing angle or measurements resolve that distinction.

A sketch can therefore carry the annotation “pages unequal; exact dimensions and arrangement unspecified.” This preserves the essential difference without forcing a page count or manufacturing a sequence of sizes.

How do you sketch the curve and central opening together?

Start with the broad curved form before adding internal divisions. Getty’s formal-analysis guide explains that lines can define edges, while shape concerns height and width and form includes depth. These distinctions offer a practical vocabulary for separating the book’s outline from its three-dimensional curvature. Getty: Understanding Formal Analysis (https://www.getty.edu/education/teachers/building_lessons/formal_analysis.html)

Use the following drawing sequence as a recording method. Any chosen viewpoint, exact curve or line style remains illustrative unless it is established by the scene:

1. Indicate the curved book form with a light outline or a labeled schematic mark.

2. Locate the central opening in relation to that form.

3. Mark the binding regions on both sides without detailing their construction.

4. Add page boundaries only where their relationships are known.

5. Annotate the unequal pages and any details the sketch cannot specify faithfully.

Check the opening separately from the bindings. A line through the center could be read as a fold, a page edge or an attachment. Label it “central opening” so that the drawing does not rely on an ambiguous mark. Likewise, label the side attachments rather than expecting their function to be obvious.

Where the scene supplies a visible gap, record its outline as carefully as the surrounding surfaces. Getty describes negative space as the area around the principal objects, providing a useful way to attend to open areas as well as solid forms. Applying that attention to the opening can help distinguish separation from overlapping page edges. Do not add a gap width or shape when neither is given. Getty: Understanding Formal Analysis (https://www.getty.edu/education/teachers/building_lessons/formal_analysis.html)

Page surfaces can remain unrendered in a schematic. Add a note that their contents are unspecified, so the absence of drawn marks is not mistaken for evidence of blank pages. Similarly, record visible surface qualities only when supplied; the designation “art book” does not establish paper finish, cover material or printed imagery.

Does “opens at the center” require an opening sequence?

Record the central opening as the available state or structural relation. The phrase does not provide intermediate movements. It leaves unanswered whether anything folds, turns, slides or separates while opening.

For this scene, a single annotated view and a written statement are sufficient. A sequence of panels would require information about successive states. Drawing a closed book, a partially opened book and a final spread would introduce both an unseen starting form and an invented mechanism.

If additional visual information later establishes a change, describe each supplied state in order and name only the visible transition. Keep unresolved intervals explicit. That approach preserves a complete known sequence without using imagined movement to connect its parts.

What should the finished record say?

A concise record of the supplied scene can read: “A curved art book is bound on both sides and opens at the center. Its pages are unequal. The exact page dimensions, page arrangement, binding construction and opening movement are unspecified.” This is a description of the available information, not a quotation from a real observer.

Place any schematic beside that wording with its illustrative choices identified. For example, if you arrange the annotations horizontally for readability, say that the layout is a diagram convention. If you select a particular arc to stand for curvature, label the curve as schematic rather than presenting it as the book’s exact profile.

Read the description once more while following the sketch. Confirm that both bindings remain identifiable, that the opening stays central and that page inequality survives without acquiring an unsupported count or pattern. The finished record should let another reader understand how the known parts relate while seeing exactly where the available detail ends.

Sources

• Cooper Hewitt Guidelines for Image Description — Cooper Hewitt, Smithsonian Design Museum (https://www.cooperhewitt.org/cooper-hewitt-guidelines-for-image-description/)

• Understanding Formal Analysis — Getty (https://www.getty.edu/education/teachers/building_lessons/formal_analysis.html)

• dos-à-dos — Opening Artists’ Books, University of Utah (https://oab.lib.utah.edu/artist_book_term/dos-a-dos/)