A blind man spends his days roaming the beaches of Kenya collecting shells, classifying them by feeling their whorls, spines and folds in his fingers. A young woman discovers that she can explore the inner world of an animal's mind by touching its freshly dead body. A refugee from Liberia, who cannot escape the horrors that he has witnessed, finds salvation in the clandestine act of burying the hearts of beached whales.

Bound together by a single ancient text, the unforgettable characters of Cloud Cuckoo Land are dreamers and outsiders figuring out the world around them: 13-year-old Anna and Omeir, an orphaned seamstress and a cursed boy, on opposite sides of the formidable city walls during the 1453 siege of Constantinople; teenage idealist Seymour and octogenarian Zeno in an attack on a public library in present-day Idaho; and Konstance, decades from now, who turns to the oldest stories to guide her community in peril.

Marie Laure lives with her father in Paris within walking distance of the Museum of Natural History where he works as the master of the locks (there are thousands of locks in the museum). When she is six, she goes blind, and her father builds her a model of their neighbourhood, every house, every manhole, so she can memorise it with her fingers and navigate the real streets with her feet and cane. When the Germans occupy Paris, father and daughter flee to Saint-Malo on the Brittany coast, where Marie-Laure's agoraphobic great uncle lives in a tall, narrow house by the sea wall.

Tonight 19-year-old William Lavery is dressed for success, his first black-tie do. It's the Midlands Chapter of the Institute of Embalmers Ladies' Night Dinner Dance, and William is taking Gloria in her sequined evening gown. He can barely believe his luck. But as the guests sip their drinks and smoke their post-dinner cigarettes, a telegram delivers news of a tragedy. An event so terrible it will shake the nation. It is October 1966, and a landslide at a coal mine has buried a school: Aberfan.  

After the tragic death of his beloved musician father, 14-year-old Benny Oh begins to hear voices. The voices belong to the things in his house - a sneaker, a broken Christmas ornament, a piece of wilted lettuce. Although Benny doesn't understand what these things are saying, he can sense their emotional tone; some are pleasant, a gentle hum or coo, but others are snide, angry and full of pain. When his mother develops a hoarding problem, the voices grow more clamorous.

Between life and death there is a library. When Nora Seed finds herself in the Midnight Library, she has a chance to make things right. Up until now, her life has been full of misery and regret. She feels she has let everyone down, including herself. But things are about to change. The books in the Midnight Library enable Nora to live as if she had done things differently. With the help of an old friend, she can now undo every one of her regrets as she tries to work out her perfect life.

1944, in the ruined wine cellar of a Tuscan villa, as bombs fall around them, two strangers meet and share an extraordinary evening. Ulysses Temper is a young British soldier; Evelyn Skinner is a sexagenarian art historian and possible spy. She has come to Italy to salvage paintings from the wreckage and relive memories of the time she encountered EM Forster and had her heart stolen by an Italian maid in a particular Florentine room with a view.

For years, rumors of the 'Marsh Girl' have haunted Barkley Cove, a quiet town on the North Carolina coast. So in late 1969, when handsome Chase Andrews is found dead, the locals immediately suspect Kya Clark, the so-called Marsh Girl. But Kya is not what they say. Sensitive and intelligent, she has survived for years alone in the marsh that she calls home, finding friends in the gulls and lessons in the sand. Then the time comes when she yearns to be touched and loved. When two young men from town become intrigued by her wild beauty, Kya opens herself to a new life - until the unthinkable happens. 

Emmett returns home to pick up his little brother Billy, tie up his late father's estate and get out of town for good. Since leaving the Kansas youth facility where he served time, Emmett has wanted one thing: to give them both a fresh start - and that means heading out to the sparkling west. Young, precocious Billy has plans of his own - to get to San Francisco, where he believes their long-estranged mother is waiting for them.

On a stifling afternoon at police HQ in Algiers, Superintendent Taleb, coasting towards retirement, with not even an air-conditioned office to show for his long years of service, is handed a ticking time bomb of a case that will take him deep into Algeria's troubled past and its fraught relationship with France. To his dismay, he is assigned to work with Agent Hidouchi, an intimidating representative of the country's feared secret service, who makes it clear she intends to call the shots.

Mikey's family were Gypsies. They live in a closed community and little is known about their way of life. As he didn't go to school, the caravan became his world. But although Mikey inherited a vibrant culture, his family had a dark hidden history. Eventually Mikey was forced to make a decision – to stay and keep secrets, or escape and find somewhere to belong.

Clara's sister is missing. Angry, rebellious Rose had a row with their mother, stormed out of the house and simply disappeared. Eight-year-old Clara, isolated by her distraught parents' efforts to protect her from the truth, is grief-stricken and bewildered. Liam Kane, newly divorced, newly unemployed, newly arrived in this small northern town, moves into the house next door, a house left to him by an old woman he can barely remember and within hours gets a visit from the police. It seems he's suspected of a crime.

Charlie Finn had to grow up fast, living alone by age 16. Highly intelligent, he earned a life-changing scholarship to Harvard, where he learned how to survive and thrive on the outskirts of privileged society. That skill served him well in the cutthroat business world, as it does in more lucrative but dangerous ventures he now operates off the coast of Miami. Charlie tries to separate relationships from work.

1962, Anchor Bend, Oregon. The sea calls to Eleanor. Like the turn of the waves it beckons her from the heart of the town she’s always known, from her husband Hob and their young daughter, Agnes, to the unfathomable depths of the ocean. 1985. Agnes’s daughter Eleanor is six years old. She shares her name with the grandmother she never knew and everything else with her identical twin, Esmerelda. But to Agnes, only Eleanor is a constant reminder of the past.

It's an incendiary moment for St Oswald's school. For the first time in its history, a headmistress is in power, the gates opening to girls. Rebecca Buckfast has spilled blood to reach this position. Barely 40, she is just starting to reap the harvest of her ambition. As the new regime takes on the old guard, the ground shifts. And with it, the remains of a body are discovered.