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Incoming Resources
- Scooby-Doo! and the cliff dwellings of Mesa Verde, the ghostly gaze, by Mark Weakland ; [illustrated by Christian Cornia]
- Fred Flintstone's adventures with wedges, just split!, by Mark Weakland ; illustrated by Christian Cornia
- Scooby-Doo! and the buried city of Pompeii, the ghastly guide, by Mark Weakland ; consultant, Jesse Weiner ; [illustrated by Christian Cornia]
- Fred Flintstone's adventures with wheels and axles, bedrock and roll!, by Mark Weakland ; illustrated by Alan Brown
- Fred Flintstone's adventures with levers, lift that load!, by Mark Weakland ; illustrated by Christian Cornia
- Fred Flintstone's adventures with pulleys, work smarter, not harder, by Mark Weakland ; illustrated by Paco Sordo
- Scooby Doo! and the ruins of Machu Picchu, the hidden city howler, by Mark Weakland ; [illustrated by Dario Brizuela]
- Gut bugs, dust mites, and other microorganisms you can't live without, by Mark Weakland
- Fred Flintstone's adventures with inclined planes, a rampin' good time, by Mark Weakland ; illustrated by Alan Brown
- Scooby-Doo! and the pyramids of Giza, the phantom pharaohs, by Mark Weakland ; [illustrated by Dario Brizuela]
- Fred Flintstone's adventures with screws, righty-tighty, lefty-loosey, by Mark Weakland ; illustrated by Loic Billiau
- Fred Flintstone's adventures with wedges, just split!, by Mark Weakland ; illustrated by Christian Cornia
- Scooby-Doo! and the cliff dwellings of Mesa Verde, the ghostly gaze, by Mark Weakland ; [illustrated by Christian Cornia]
- Scooby-Doo! and the buried city of Pompeii, the ghastly guide, by Mark Weakland ; consultant, Jesse Weiner ; [illustrated by Christian Cornia]
- Fred Flintstone's adventures with wheels and axles, bedrock and roll!, by Mark Weakland ; illustrated by Alan Brown
- Fred Flintstone's adventures with levers, lift that load!, by Mark Weakland ; illustrated by Christian Cornia
- Fred Flintstone's adventures with pulleys, work smarter, not harder, by Mark Weakland ; illustrated by Paco Sordo
- Scooby Doo! and the ruins of Machu Picchu, the hidden city howler, by Mark Weakland ; [illustrated by Dario Brizuela]
- Fred Flintstone's adventures with inclined planes, a rampin' good time, by Mark Weakland ; illustrated by Alan Brown
- Scooby-Doo! and the pyramids of Giza, the phantom pharaohs, by Mark Weakland ; [illustrated by Dario Brizuela]
- Fred Flintstone's adventures with screws, righty-tighty, lefty-loosey, by Mark Weakland ; illustrated by Loic Billiau