After learning that the father he never knew is Poseidon, God of the Sea, Percy Jackson is transferred from boarding school to Camp Half-Blood, a summer camp for demigods, and becomes involved in a quest to prevent a war between the gods.

It is June 6, 1944, D-Day, and Dee Carpenter (true name Dietrich Zimmermann), an underage private in the United States Army, is headed for Omaha Beach, seeking revenge for his uncle, who was arrested by Nazis when Dee was a little boy; meanwhile, Samira Zidano, an eleven-year old French-Algerian girl is looking for the French resistance, desperate to deliver the message that the invasion is about to begin, and get their help in freeing her mother--this...

Sophie's talents are getting stronger and, with the elusive Black Swan group ignoring her calls for help, she is determined to find her kidnappers but a daring mistake pushes her world to the edge of war, and soon she has exposed a a major conspiracy that could threaten all she loves.

A boy in Illinois remembers the homefront years of World War II, especially his two heroes--his brother in the Air Force and his father, who fought in the previous war.

After discovering that the destiny of the Clans is in their paws, Firestar's three grandchildren face turmoil as ThunderClan is attacked, war breaks out between the Clans, and a mysterious stranger warns of more trouble ahead.

Though the Greek and Roman crewmembers of the Argo II have made progress in their many quests, they still seem no closer to defeating the earth mother, Gaea. Her giants have risen -- all of them -- and they're stronger than ever. They must be stopped before the Feast of Spes, when Gaea plans to have two demigods sacrificed in Athens. She needs their blood -- the blood of Olympus -- in order to wake. The demigods are having more frequent visions of...

In 1940, when Delphi Keep is taken over by the Royal Navy as a communications outpost, Ian, Theo, and Carl dread being evacuated to the earl's winter residence where they will no longer be protected, but even more concerned about deciphering the third prophecy and identifying the Secret Keeper.

Even though it is now 1901, the people of Buxton, Canada (originally a settlement of runaway slaves) and Chatham, Canada are still haunted by two events of half a century before--the American Civil War, and the Irish potato famine, and the lasting damage those events caused to the survivors.

Jason returns to Lyrian to share life-saving information while Rachel and her companions encounter new enemies and struggle to recruit a vital ally.