Ray

The dazzling Ray illuminates how light works—part of the Science Pals series, including Drop: An Adventure through the Water Cycle and Puff: All About Air

Meet Ray. He's light! And he's been shining since time began. Wherever there's life on Earth, there's Ray, helping everything under the sun thrive. And Ray can really move—fast. Have you ever hurtled through space? Become a rainbow? Made food for plants? Ray has! With brilliant wit and sparkling one-liners, Ray introduces readers to a light show like no other. Filled with awe-inspiring artwork, funny asides, and a spotlight on kid-enticing facts, Ray invites us to bask in his warmth, as he illuminates our world.

"[A] refreshing combination of charm and solid fact [and] a high-wattage spotlight on our most important power source." —Kirkus

"[A] brilliant addition to the Science Pals series. . . . Every part of the book is packed with fascinating facts and tidbits. [Kids] will appreciate Moon's inviting approach." —Booklist

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