The Gecko and Sticky: Sinister Substitute

The Gecko & Sticky are a fabulous crime-fighting duo! This quartet of funny adventures will appeal to fans of superheroes both young and old, and would make terrific all-family read-alouds.

Dave Sanchez's most despised teacher, a gleeful frog dissector named Ms. Veronica Krockle, is absent. Her students are psyched! But Sticky is suspicious. Especially when the substitute teacher turns out to be Damien Black--dastardly treasure hunter and master of disguise!

If Damien Black is in school, does that mean he’s behind Ms. Krockle’s absence? Could she have been kidnapped? Stashed away in the Black mansion? Oh yeah, that sounds about right. Dave and Sticky realize that if they want to get Damien Black out of their school, they'll have to rescue the horrid Ms. Veronica Kronckle. 

Don't miss the other Gecko & Sticky adventures:
1. The Villain's Lair,
2. The Greatest Power,
3. Sinister Substitute, and
4. The Power Potion 

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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