While Milo and his sister travel to a detention center to visit their incarcerated mother, he observes strangers on the subway and draws what he imagines their lives to be.

Pablo invites his friends to go with him and his father to Coney Island to celebrate the end of summer, using his trusty maps to guide their way by bus and subway train.

James Kelly smelled EVERYTHING: rats in the shed; circus elephants a mile away; tomorrow's rain. His sense of smell was EXTRAORDINARY. But what good was a powerful nose? How could his super-sniffer make him special? In the New York City subway, James found his calling--and earned the nickname "Smelly" Kelly. Armed with his super-sniffer and the tools he invented, he tracked down leaks from the dangerous to the disgusting, from the comical to the bizarre....

Mateo, Ruby, and Corey Hudson's parents don't have too many rules. It's the usual stuff: Be good. Do your homework. And never ride the subway without an adult, EVER. But when the siblings wake up late for school, they have no choice but to break a rule. The Hudson siblings board the subway in Manhattan and end up on a frigate ship in Paris...in the year 1911. As time does tell, the Hudson family has a lot of secrets. The past, present, and future...

Frank and Joe Hardy must investigate the murder of Evan Davis, a runaway teen who was pushed off a subway platform.

A brave pet shop mouse named Hopper attempts to rebuild a fallen empire in the underground rat civilization of Atlantia, located in the subway tunnels of Brooklyn, while Queen Felina and her band of street cats declare open season on the rodents.

The Warriors series meets Redwall in this first book in an epic animal adventure series set in the subway tunnels of Brooklyn. Hopper is just an ordinary pet shop mouse before he escapes. Soon he finds himself below the bustling streets of Brooklyn, deep within the untamed tangles of transit tunnels, and in Atlantia, a glorious utopian rat civilization. But all is not what it seems. Though Hopper is treated as a royal guest, he misses his siblings...

When Dylan hears someone playing their violin in the subway he wants to stop and listen, but his mother and other commuters ignore the violinist completely. Based on the true story of Joshua Bell, the renowned American violinist who famously took his instrument down into the Washington, D.C. metro for a free concert. -- Publisher description.

The ghost of fifteen-year-old Alfonso Jones travels in a New York subway car full of the living and the dead, watching his family and friends fight for justice after he is killed by an off-duty police officer while buying a suit in a Midtown department store.

"It's Christmas Eve at JFK in NYC. Charlotte is a British student, waiting for a flight home after the worst semester of her life. Anthony is a native New Yorker, surprising his girlfriend at the airport after three months apart. Charlotte has just been dumped, and Anthony is about to be dumped, right in the middle of the holiday crowd. Charlotte's flight is canceled when a blizzard blows in, and Anthony can't bear to go home. So, they set out into...