STARRING HEROES FROM THE PRE-FLASHPOINT DCU! Starfire and Donna Troy track down Arsenal, who had retreated after the loss of his arm and the death of his daughter _ but what they find is more terrifying than they ever could have expected!

Once, there were infinite Earths. Untold timelines. Innumerable Elseworlds. Then there came a Crisis…a Zero Hour…a Flashpoint. Worlds lived. Worlds died. Now they all must fight for their future! The evil alien intelligence known as Brainiac has stolen 50 doomed cities from throughout time and space and brought them to a place beyond the Multiverse-a sentient planet of his own design, a world with the power of a god. As heroes and villains from dozens of worlds battle each other for their very existence, it’s up to a ragtag band of warriors from a slain Earth to put an end to this threat that bends the Multiverse to its will. Reality itself hangs in the balance… This is it! The entire DC Universe from the dawn of time through the New 52 stars in CONVERGENCE - an unprecedented event that brings together your favorite characters from every era and series. Whether familiar or forgotten, none of them will ever be the same! Existence comes to end, and a beginning, with writers JEFF KING (USA’s White Collar), SCOTT LOBDELL (SUPERMAN: DOOMED) and DAN JURGENS (BATMAN BEYOND), and artists CARLO PAGULAYAN (Incredible Hulk), STEPHEN SEGOVIA (GREEN LANTERN: NEW GUARDIANS), ANDY KUBERT (DAMIAN: SON OF BATMAN) and ETHAN VAN SCIVER (GREEN LANTERN: REBIRTH). Collects CONVERGENCE #0-8.

STARRING HEROES FROM THE PRE-FLASHPOINT DCU! A severely depleted Titans team, including Arsenal and Donna Troy, is put to the test against the world-conquering Extremists! But how can they do this while protecting Arsenal's daughter Lian?

STARRING HEROES FROM ZERO HOUR! Has Kon-El earned the right to be the new Man of Steel? Kon will have to prove his mettle in battle against the Superman of Kingdom Come! But what if the only way to save Metropolis is to lose the fight?

The first 8 issues of the groundbreaking 1980s NEW TEEN TITANS now available for the first time in years! When the series launched, writer Marv Wolfman (CRISIS ON INFINITE EARTHS) and artist George Perez (FINAL CRISIS: LEGION OF THREE WORLDS, Avengers) crafted a timeless story starring Robin, Kid Flash, Wonder Girl, Cyborg, Changling, Raven and Starfire - a group of young individuals with great powers and strong personalities who learned their way in the world through the strength of their friendship and the adventures they shared.

A CONVERGENCE tie-in graphic novel! Once, there were infinite Earths. Then there came a Crisis…a Zero Hour…a Flashpoint. Worlds lived. Worlds died. But some worlds must now fight for their future-in the Convergence! The evil alien intelligence known as Brainiac has stolen 50 doomed cities from throughout time and space and sealed them behind impenetrable domes. Now, after a year, the domes will come down-and the heroes and villains of 50 dead worlds must battle to be the last one standing! In this volume: THE ATOM: It’s atomic fusion as Ray Palmer joins forces with Ryan Choi against the man who killed him-Deathstroke the Terminator! SPEED FORCE: Wally West leads the Flash family in a race to protect their city against the onslaught of Flashpoint’s warmongering Wonder Woman! THE TITANS: With their team in tatters, Starfire, Donna Troy and Arsenal are the last line of defense against the world-conquering Extremists! BATMAN AND ROBIN: It’s up to a dysfunctional Bat-family-the Dark Knight Detective, his son Damian, and his prodigal protégé Jason Todd-to stop an Extremist invasion of Gotham City! HARLEY QUINN: When the going gets tough, the tough get crazy-which is why Harley Quinn is teaming with Poison Ivy and Catwoman against Captain Carrot and his Amazing Zoo Crew! The legends of the pre-Flashpoint DC Universe make a last stand against threats from worlds both brutal and bizarre in CONVERGENCE: FLASHPOINT BOOK TWO!

The purpose of this edited book is to provide the relevant technologies and case studies in a concise format that will simplify and streamline the processing of blockchain. The goal is for the contents of this book to change the way business transformations are conducting in economic and social systems. The book examines blockchain technology, the transaction attributes, and its footprint in various fields. It offers fundamentals and terminologies used in blockchain, architecture, and various consensus mechanisms that can be deployed in areas such as healthcare, smart cities, and supply chain management. The book provides a widespread knowledge into the deployment of security countermeasures that can be implemented for a blockchain network and enables the reader to consider the management of business processes and the implementation process in detail. The book highlights the challenges and provides various e-business case studies of security countermeasures. The book serves researchers and businesses by providing a thorough understanding of the transformation process using blockchain technology.