When lonely, ten-year-old Hal learns that his wealthy but neglectful parents only rented Fleck, the dog he always wanted, he and new friend Pippa take Fleck and four other dogs from the rental agency on a trek from London to Scotland, where Hal's grandparents live.

When he learns that he and his father must soon leave Earth, eleven-year old Thomas Derwent is upset. But a terrible accident that separates the two of them makes Thomas's situation much worse.

Foundling Fever Crumb has been raised as an engineer although females in the future London, England, are not believed capable of rational thought, but at age fourteen she leaves her sheltered world and begins to learn startling truths about her past while facing danger in the present.

"Susan--the corgi presented to Princess Elizabeth on her eighteenth birthday--reveals secrets of life in Buckingham Palace"--

Having always been able to know when someone is going to die, Alexandra poses as a nurse to go to France during World War I to locate her brother and to try to save him from the fate she has foreseen for him.

Mary Poppins comes back on the end of a kite string, stays with the Banks family for a while, and then disappears on a merry-go-round horse.

Muriel Ponsonby, the Catlady, lives with dozens of cats, many of whom she believes are reincarnated friends, relatives, and even royalty.

Bella, Gwen, and the Lost Boys have escaped to Alnwick Castle, but it is not the safe haven they hoped it would be for the "cure" for the Horologia virus has mutated into something even worse--so the Duchess Alyssa and Maddox Hadder set out searching forthe virus's origin, an extinct poisonous apple, supposedly from a tree at the center of a labyrinth hidden deep within Germany and guarded by monsters.

Having reluctantly accompanied his academic mother and pesky younger sister to Oxford, twelve-year-old Blake Winters is at loose ends until he stumbles across an ancient and magical book, secretely brought to England in 1453 by Gutenberg's mute apprentice to save it from evil forces, and which now draws Blake into a dangerous and life-threatening quest.

Fifteen-year-old Kat Bishop and her fellow talented teenagers work together to find and steal the "Cleopatra Emerald" from an unscrupulous dealer and return it to its rightful owner, while a former love of her Uncle Eddie tries to get the gem for herself.