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Leo Geo and the Cosmic Crisis Hardcover – November 5, 2013


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Leo Geo and the Cosmic Crisis + Leo Geo and His Miraculous Journey Through the Center of the Earth + Joe and Sparky Go to School
Price for all three: $38.11

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Editorial Reviews

From School Library Journal

Gr 2–5—Leo Geo is back in another science-based adventure, joined by his brother, Matt Data, in a nifty flip-over format. Leo learns that a large comet is on a collision course with Matt's orbital science facility and blasts off to save his astronomer brother. When Fizzcom, his supercomputer, malfunctions, Leo must survive a black hole, space pirates, and a crash landing before he can stop the comet and be reunited with his sibling. On the flip-side of the book, Matt finds out that Leo's computer has a bug and sets off with his genius dog, Maff, to reboot it. Matt and Maff share information about satellites, comets, and other astronomical bodies they pass on their way to the remote broadcast station. When Maff is kidnapped by space pirates, Matt uses his scientific knowledge to get her back and to finally find Leo. Science, adventure, and comics are perfectly blended in this kid-friendly story. The bright, detailed, full-page panels are covered with strange creatures and planetary objects that will catch and hold young readers' attention, and the scientific information is simply presented and well-integrated into the dialogue. The varied layout of the pages, vertical and horizontal, and the "search engine," a hunt for specific objects throughout the book, encourage engagement with the story. This is a great offering for graphic-novel enthusiasts or kids looking for a fun read.—Marian McLeod, Convent of the Sacred Heart, Greenwich, CT

From Booklist

Leo Geo is happily puttering around the Fizzmont Institute for Rad Science when he gets some alarming news from his trusty computer, Fizzcom: a comet is headed right to the Fizzmont Orbital Science facility, where Leo’s brother, Matt Data, lives! Determined to rescue him, Leo hops in his spaceship and sets out to help his bro. Meanwhile, at the other end of the book, Matt Data has detected a fatal error in Fizzcom’s programming: soon he will malfunction and start performing bad experiments instead of rad experiments. So Matt sets off in his spaceship to save Leo from his renegade computer. Where do they meet? Right in the middle, naturally. But not before explaining propulsion engines, supernovas, and a handful of other science concepts, all while battling space pirates (of course). Chad’s frenetic and lushly colored illustrations depict Matt’s and Leo’s riotous romps through space as a universe of tiny details swirls around in their wake. Another rollicking, playful science adventure, following Leo Geo and His Miraculous Journey through the Center of the Earth (2012). Grades 3-6. --Sarah Hunter
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Product Details

  • Age Range: 7 - 11 years
  • Grade Level: 2 - 6
  • Hardcover: 40 pages
  • Publisher: Roaring Brook Press (November 5, 2013)
  • Language: English
  • ISBN-10: 1596438223
  • ISBN-13: 978-1596438224
  • Product Dimensions: 9.9 x 0.4 x 7.3 inches
  • Shipping Weight: 8.8 ounces (View shipping rates and policies)
  • Average Customer Review: 4.2 out of 5 stars  See all reviews (6 customer reviews)
  • Amazon Best Sellers Rank: #637,857 in Books (See Top 100 in Books)

More About the Author

Jon Chad has been producing handmade minicomics and zines since 2006. Jon has illustrated books for clients including the Atlanta Braves, the FBI, and has been commissioned to make minicomics for Cartoon Network's Regular Show and Adventure Time. Jon Chad's book Leo Geo and his Miraculous Journey through the Center of the Earth was released by Roaring Brook Press in March 2012 and the sequel, Leo Geo and the Cosmic Crisis, will be released this November. Jon lives in White River Junction, VT and teaches book-making and screen-printing at the Center for Cartoon Studies.

Customer Reviews

4.2 out of 5 stars
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Most Helpful Customer Reviews

Format: Hardcover
My daughter adores this book from the library and has it memorized so I am on amazon to get if for her as well as the author's other book. Wonderful but next time if you could please add a few more girls in space it would be very appreciated. There really are girls out there that love space despite nobody in publishing, TV, or movies seeming to notice that they are interested in anything but princesses. I worry about the message sent to my daughter if the only female character is a dog -- even though it's a smart dog ;)
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1 of 2 people found the following review helpful By T Austin on March 1, 2015
Format: Hardcover
We enjoyed the first Leo Geo very much and were looking forward to this one. While the illustrations are on a par with the first effort, the science here is simply awful. It's not that things are left out, it's that bad inaccurate information is given that will confuse and mislead a child. Worst of all, it would have been so easy to get right. Where was the editor?

Here are some examples:
- astronaut centrifuge: the simulated gravity is toward the outside, not down to the ground. Rotate the car 90 degrees and it's right.
- the Space Shuttle used liquid HYDROGEN as fuel, not nitrogen.
- rocket stages have traditionally been thrown away, disintegrating from atmospheric forces on re-entry into the atmosphere and falling as mangled debris into the ocean. Shuttle solid boosters were recovered, but they were an extreme exception and were very hard to refurbish. SpaceX is working on landing a booster, but on a dry surface. Salt water does enormous damage to rockets and spacecraft.
- ISS orbits at 400km/250miles altitude
- several key components of ISS were constructed by Russia and delivered by their rockets, not by Shuttle
- at the most distant point in its orbit, the Moon is 251,351 miles from Earth, not 235,000
- the side of the Moon that points away from Earth is the FAR side, not the "dark" side. There is nothing darker about that side that the one that faces Earth. Perpetuating this misnomer does a disservice to children.
- the gravitational force at the event horizon of a black hole is a function of its size. It can be comparatively low.
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1 of 2 people found the following review helpful By Matthew Nigrelli on September 23, 2014
Format: Hardcover
This is a fantastic book for kids who love science, especially if you're a fan of the first Leo Geo book which is equally great. Book arrived on time and in great condition. Couldn't be happier with the purchase.
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