Classified as Murder

Librarian Charlie Harris and his cat Diesel must catalog a killer in this mystery in the New York Times bestselling Cat in the Stacks series.

Suspecting that someone is stealing from him, the aging and eccentric James Delacorte wants Charlie to do an inventory on his rare book collection. Soon after they begin, Delacorte is found dead at his desk, leaving Charlie with the bigger task of solving his murder.
 
Immediately Charlie is suspicious of Delacorte’s own family, and relies on the help of Diesel to paw around for clues. The cat and mouse game heats up after a highly valued copy of Edgar Allan Poe’s Tamerlane goes missing and a second murder occurs. Now Charlie and Diesel must solve the case before the killer strikes a third time—and hope curiosity doesn’t kill the cat...

Standard and Primary covers are widely available through general retailers. They often have higher print runs and can be cheaper, especially during sales.

In contrast, Direct Market (DM) and variant covers are primarily sold in comic shops. DM editions tend to have more limited availability and may be more valuable to collectors.

The main differences lie in artwork style, availability, price, and collector appeal. Ultimately, the choice between standard and variant covers depends on personal preference, budget, and individual collecting goals.

Comic book enthusiasts have various formats to choose from when collecting their favorite stories.
Here's a brief overview of the main types:

Omnibus

• Large, hardcover collections
• Usually contain complete runs or extensive story arcs
• Typically 800-1000+ pages
• Higher price point, often €100-€150

Oversized Hardcover (OHC)

• Similar dimensions to omnibus, but thinner
• Collect shorter runs or story arcs
• Usually 300-600 pages
• Priced between €30-€50

Hardcover (HC)

• Standard-sized hardcover books
• Collect 6-12 issues typically
• Similar dimensions to single issues, but with a hard cover
• Priced around €25-€35

Trade Paperback (TP)

• Softcover collections
• Standard comic book size
• Usually collect 4-6 issues
• Most affordable option, typically €15-€25

Other Formats

• Absolute Editions: Oversized, deluxe hardcovers (mainly DC Comics)
• Compendiums: Massive paperback collections
• Graphic Novels (OGN/GN): Original stories not previously released as single issues

The choice between these formats often depends on personal preference, budget, and collecting goals. Omnibus and OHC editions offer larger artwork and more content but at a higher price, while TPs provide a more affordable way to collect complete story arcs