![Scooby-Doo! Ser.: Mystery Mask Mix-Up : Coin Reveal Activity Book to Color by Dalmatian Press Staff (2002, Trade Paperback, Revised edition) for sale online | eBay Scooby-Doo! Ser.: Mystery Mask Mix-Up : Coin Reveal Activity Book to Color by Dalmatian Press Staff (2002, Trade Paperback, Revised edition) for sale online | eBay](https://i.ebayimg.com/images/g/YbwAAOSw4-BjWA7G/s-l1600.jpg)
Scooby-Doo! Ser.: Mystery Mask Mix-Up : Coin Reveal Activity Book to Color by Dalmatian Press Staff (2002, Trade Paperback, Revised edition) for sale online | eBay
![Neal Underwood on Twitter: "This is where Sarri pulls off his mask Scooby Doo style to reveal it's actually been AVB all along" / Twitter Neal Underwood on Twitter: "This is where Sarri pulls off his mask Scooby Doo style to reveal it's actually been AVB all along" / Twitter](https://pbs.twimg.com/media/DyMXk8oW0AE03hD.jpg)
Neal Underwood on Twitter: "This is where Sarri pulls off his mask Scooby Doo style to reveal it's actually been AVB all along" / Twitter
Wanna meddle in your own mystery? | Wanna meddle in your own mystery? Head to our website for more Scooby-Doo fun! #ScoobyDoo50 http://bit.ly/2SGiaYt | By Scooby-Doo | Facebook
![Mystery Mask Mix-Up (Cartoon Network Scooby-Doo!) by Scott Neely - Paperback - July 2001 - from Blue & Grey Book Shoppe (SKU: 594) Mystery Mask Mix-Up (Cartoon Network Scooby-Doo!) by Scott Neely - Paperback - July 2001 - from Blue & Grey Book Shoppe (SKU: 594)](https://d3525k1ryd2155.cloudfront.net/h/528/338/1316338528.0.x.jpg)