It STARTS with a SPARK! "Spark of Life" Part Three: Shocking truths are exposed as Dr. Ellidy reveals the tragic origin of the beloved A.I., Nicole! Meanwhile, Phage erupts from the shadows of the Digital World to sew chaos on the island! Can our heroes rally to save Nicole and drive off this new threat? Night is falling, and terrible monsters are closing in! Don't miss this exciting next chapter in the latest Sonic Universe epic, featuring all-new cover art from Sonic artist supreme Tracy Yardley!

What monsters lurk on the mysterious isolated island?? Find out for yourself in "Spark of Life" Part Two: Things are getting very creepy in the lab of Dr. Ellidy! His badnik defenses are going offline—which is bad news when there are Dark Gaia Monsters prowling the shores at night! Sally and Big investigate the mystery of the Red Star Rings as Tails and Nicole debug the system—where something, or someone—is waiting for Nicole! Featuring new cover art from Tracy Yardley!

Silver the Hedgehog lives in a world of ruin, and he's been traveling to the past, trying to change the fate of his time. But he's not prepared when a strange new force travels both space and time to attack him! Silver must journey to a twisted version of his world, join the last handful of rebels, and overthrow the most powerful foe he's ever encountered. Silver's psychic power is pushed to its limit against the chaos-fueled fury of Enerjak!

The FIRST EVER Sonic Universe trilogy rolls on in "Total Eclipse" Part Three! As the DARK TRILOGY inches closer to its shocking conclusion, it’s a no holds barred battle between Knuckles and Shadow for the fate of Angel Island and the Master Emerald! As Sonic’s top rivals clash, the rest of Team Dark and Relic are attacked by Eclipse and the terrifying power of the Dark Arms! Featuring all-new cover art from Tracy Yardley, Jim Amash and Ben Hunzeker!

The sequel to the record-shattering Sonic the Hedgehog and Mega Man crossover is here! You saw what happened when "Worlds Collide!" Now brace yourself for when WORLDS UNITE! Dark forces have come together in the far future! The vicious conqueror Sigma has cheated death again and escaped the justice of X and the Maverick Hunters. He's crossed space and time to join forces with Zavok and the malicious Deadly Six of Lost Hex! Sonic and Mega Man could save us--but they've gone missing! Now the Freedom Fighters of Sonic's world and the Robot Masters of Mega Man's world must take up the fight to save their heroes and stop the coming tide of darkness! WORLDS UNITE features guest appearances by the cast of SONIC BOOM, MEGA MAN X and some of CAPCOM and SEGA's biggest stars! This volume collects WORLDS UNITE parts 1-4, including SONIC UNIVERSE #76, SONIC BOOM #8, SONIC THE HEDGEHOG #273, MEGA MAN #50 (includes 10 extra pages of story!) and selections from the MEGA MAN: WORLDS UNITE BATTLES one-shot, and also includes bonus materials such as creator spotlights, production art, and 21 pages of cover images. From the Trade Paperback edition.

ENTER THE FINAL FIGHT FOR THE FUTURE! “The Silver Age” part four: The finale to Silver’s latest adventure! Silver simply doesn’t have the might to stop the creature menacing his time. Maybe the combined brain power of Gold and Prof. von Schlemmer can help! It’s a knock-down, drag-out fight for the fate of the future with a shocking ending you’ll never see coming-even if you’re psychic! Featuring cover art by the “Silver Age” writer herself, Evan Stanley, plus a special “Movie Poster Variant” by the terrific T. Rex!

Celebrate Sonic the Hedgehog's 30th anniversary with a full-color hardcover historical retrospective that explores nearly every one of the blue speedster's video game appearances! Dive deep into the extensive lore and exhaustive detail of each game in Sonic's ever-expanding universe--from the beloved SEGA Genesis to the most bleeding-edge video game consoles. This tome leaves no stone unturned, showcasing in-depth looks at the characters, settings, and stories from each exciting installment! Dark Horse Books and SEGA present the Sonic the Hedgehog Encyclo-Speed-ia--a must-have volume for any fan of Sonic, young or old!