Colorado Parks & Wildlife Research Library

"22-year-old Olivia has been missing for one day...and counting. She was last seen on CCTV, entering a dead-end alley. And not coming back out again. Julia, the detective heading up the search for Olivia, thinks she knows what to expect. A desperate family, a ticking clock, and long hours away from her husband and daughter. But she has no idea just how close to home this case is going to get. Because the criminal at the heart of the disappearance...

Evan and his younger sister, Jesse, react very differently to the news that they will be in the same class for fourth grade and as the end of summer approaches, they battle it out through lemonade stands, each trying to be the first to earn 100 dollars. Includes mathematical calculations and tips for running a successful lemonade stand.

Told that they will have to move out of their Harlem brownstone just after Christmas, the five Vanderbeeker children, ages four to twelve, decide to change their reclusive landlord's mind.

Ella Mentary School is having a science fair! Guest scientist Dr. Snow has arrived to help A.J. and his friends conduct their own cool experiments. But what is "the snowman" really planning? And what does STEM even stand for anyway?

While sorting through difficulties in her friendship with her neighbor Margaret, eight-year-old Clementine gains several unique hairstyles while also helping her father in his efforts to banish pigeons from the front of their apartment building.

"Ralph is not like the other mice at the Mountain View Inn. He is always looking for adventure. So when a young guest named Keith arrives with a shiny miniature motorcycle, it's Ralph's lucky day. Right away, Ralph knows that the motorcycle is special--made to be ridden by an adventurous mouse. And once a mouse can ride a motorcycle...almost anything can happen!"--Page 4 of cover.

"Prepare for weirdness when Ella Mentry School gets a French foreign exchange student just in time for Valentine's Day!"--

In New England in the late nineteenth-century, a fatherless family, happy in spite of its impoverished condition, is befriended by a very rich gentleman and his young son.

The magic tree house whisks Jack and Annie to Washington D.C. in the 1860s where they meet Abraham Lincoln and collect a feather that will help break a magic spell.

Will Tuppence's life has always been ruled by science and common sense but in ninth grade, shaken up by the discovery that protons decay, he begins to see the entire world differently and gains new perspective on his relationships with his little sister and two closest friends. Newbery Medal-winning Jerry Spinelli spins another wonderfully original tale, about the ninth-grade trials of a stargazing science geek, the randomness of life, and how it's...