The Secret Explorers and the Cave Crisis

Learn all about life in the desert with this nature-themed installment of DK’s educational fiction series for children aged 7 to 9 years old.

Meet the Secret Explorers - a band of brainiac kids from all around the world, here to take young readers on a series of fact-filled fictional adventures! Each with their own specialty, from outer space to dinosaurs, these young globetrotters will teach kids aged 7-9 that learning can be fun, encouraging them to become experts in something they love. 

In this story, Leah the biology explorer and Cheng the geology expert are  sent on a daring mission to a network of caves in India. However, when they get there they realize there’s more to this mission than meets the eye. The gripping narrative is filled with scientific facts as the explorers navigate the subterranean world and come across the animals that live there.

This epic adventure is packed with: 

- Fun facts and beautiful subterranean illustrations for kids aged 7-9.
- Informative diagrams to make  science and nature seem simple.
- A summary of all the scientific discoveries made throughout the story.
- Quizzes, mission notes, and a glossary of definitions making it the perfect classroom read.

Let’s explore! 

The Secret Explorers and the Cave Crisis by SJ King is the perfect gift for children who are interested in all things nature, with information about geology and animals that will stretch the wildest of imaginations. 

Never miss a mission! 

A total of 12 different books, The Secret Explorer series is both educational and imaginative, combining exciting stories with real-life facts.

Embark on a space mission adventure in The Secret Explorers and the Comet Collision. Travel back in time to save a dinosaur egg from destruction in The Secret Explorers and the Jurassic Rescue. Take part in a volcano rescue in The Secret Explorers and the Smoking Volcano. Then travel to the Arctic for a rescue mission in Secret Explorers and the Missing Scientist.

Whatever your preferred topic, there’s a mission waiting for you! 

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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