Most Americans now live in states where recreational marijuana is legal. Medical marijuana is even more widespread. This special issue of TIME looks at every aspect of this new and evolving world. It examines what we know—and still don't know—about the health benefits of cannabis and its ability to treat PTSD, help with digestive maladies, improve sleep, and ease chronic pain. It considers the law, the business, and the culture of cannabis.

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In five short centuries, the mighty Empire of the Méxica, descendants of the ancient Aztecs allied with Imperial Japan, has spread out to conquer the Earth, left the homeworld, and set its sights on the stars. But the universe is a dangerous place, filled with hidden powers and the relics of ancient civilizations. The Méxica are only the latest of the great Imperial powers to reach for the stars. But that doesn't stop Imperial Méxica from claiming...

"I helped you. Now you help me." As fourteen-year-old Allison Blair lies comatose in the hospital, she hears in her head the voice of Becky Lee Thompson, pleading for help and pulling Allison back in time to 1906-and into Becky's body. But why? Is it to prevent Becky's tragic death, or the death of Joshua, the boy who loves her? Allison must remain in the past fortified by her own growing feeling for Joshua, and Becky's will-to make sense of the layers...

Nancy Lee Badger brings you this 330-page time travel romance. Stranded in 1603 Scotland, veterinarian Jenny Morgan is eager to get home to New England. Hiding her ability to read auras, a powerful witch comes to her aid. All Jenny will miss is the man who stole her heart, one dark night. Laird Gavin Sinclair has a missing brother, a murderous father, and a dark-eyed beauty on his mind. When Jenny returns to a dangerous future, he sets aside his obligations...

Second chances are only helpful if you recognize them for what they are. Celebrated actress Scarlett Thomas never wanted fame -- that was her parent's dream. Now she's ready to make big changes, but she could never have imagined how big those changes might turn out to be. Returning to the medieval Dunskirk Castle, where she filmed The Puppet War trilogy, she encounters an old Scotsman named Donell who directs her to an ancient claymore that sends...

Indian legend says that the spirit can overcome all obstacles, even time itself.But Doctor Paige Randolph doubts that anything can help her recover from the loss of her child and her failed marriage-until a mysterious crop circle casts her back one hundred years.The gifted doctor has dedicated herself to bringing new life into the world, and not even the savage Canadian frontier or the Riel Rebellion can stop her. As headstrong as she is beautiful,...

In his attempt to return to the twenty-sixth century, historian Noel Kedran is transported, alongside his evil twin Leon, to the squalid streets and royal palaces of Restoration England-and into the blazing heart of the Great Fire of London. Amidst the inferno, Noel will distinguish himself as a hero, whose only hope is to get home to his own time. To do so, he will have to outwit the treacherous, equally brilliant Leon. But how can any man hope to...

In Renaissance-era Italy, as rival houses of nobility use deception and murder to gain power and wealth, historian and time traveler Noel Kedran struggles against the machinations of his evil twin, Leon. Thrust into sixteenth-century Venice, Noel arrives just in time to step into a trap set by his mad double. Sentenced to torture for a crime he didn't commit, Noel attracts the interest of a sorcerer who wants the mirror-image twins under his control....

Maryanne loves being invisible, and her job as a time-traveling research scientist fulfills that desire. But when her invisibility transmitter malfunctions, the worse possible person-the Marquess of Avingdale-finds her. Handsome and debonair, the marquis shows interest, but his death is the reason she traveled back to 1813 England. When he forgoes a tryst with a married woman that would've proved deadly, Maryanne fears she's changed the handsome lord's...

Skye Bancroft, assistant art director at a small New York publisher, is used to dealing with the occasional spoiled and egocentric model. After all, it's part of her job description. But during a photoshoot, she didn't count on one to become so delusional as to think himself a Highlander from 1814 Scotland. Cailin Thorburn is every woman's dream: A warrior who is fierce, passionate, and protective. Rendered unconscious during battle, he awakens in...