CATastrophe!

Nine kittens go on an exciting boating adventure that’s a (funny) catastrophe in this playful picture book that demonstrates the key math concept of patterns.
 
A crew of hungry kittens and their captain head to the lake to catch some dinner, but the fish have surprises in store for them. Even before the cats encounter the fish, they run into trouble. What happens when confused kitties paddle every which way? Or when they all lean in the same direction? A pattern is needed to avoid a catastrophe!
 
Patterns are the foundation on which math is built. Using strong rhythm, clever wordplay, and countable characters, CATastrophe! is a fun read-aloud that also shows what patterns can do. Helpful backmatter will deepen readers’ understanding and challenge them to find more patterns in this book and in our world. There’s also much to find in the illustrations—including a dragonfly and worm that each appear twenty times.

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