There's a certain age which differs by individuals where the picture book no longer fascinates, but the dark young adult books seems to be for those kids way up in the stratosphere of high school.
This is the sweet spot for those kids which needs books more suitable to the younger than YA, but older than picture book. Many of the more famous of these types include the Harry Potter series and Rick Riordan's Percy Jackson books. The betweenagers or tweens can also find marvelous stories from the classics. What grade school girl didn't fall in love with Black Beauty or The Black Stallion, while boys were those noisy, smelly things. What boy couldn't relate to science fiction from Heinlein's juvenile series. "Have Rocket, Will Travel," "Star Ship Troopers," and the myriad of "Star Wars" books written after the venerable movie series appeared.
Authors are hard at work writing for the tween audience. I see many of my travels round the internet and, goodness knows, I've read a ton. My tastes run to fantasy. That's a genre that covers the entire universe and beyond. What can't be found in a fantasy tale?
I am long removed from young adults of today, so I send my thoughts back to the time when I became an earnest reader filling my library list with fantasy ranging from Narnia to Middle Earth.
So, this is where I find my comfort level as a writer. I'm thinking of a kid who reads, but can be either a devourer of books or a sometimes between video games reader. Although I usually have a female lead (to make up for the thousands of years when the women and girls stayed home while the men and boys went adventuring), but I don't get so mushy or girly that a fantasy-loving boy won't feel shortchanged.
Book trailer: http://www.youtube.com/watch?v=3vhzWTXsqtU
Marva Dasef is a writer living in the Pacific Northwest with her husband and a fat white cat. Retired from thirty-five years in the software industry, she has now turned her energies to writing fiction and finds it a much more satisfying occupation. Marva has published more than forty stories in a number of on-line and print magazines, with her stories included in several Best of anthologies. She has eight published books. A middle-grade contemporary fantasy series, Witches of Galdorheim, will begin in October with the publication of "Bad Spelling" by MuseItUp Publishing.
She blogs at: http://mgddasef.blogspot.com/
Her website is: http://marvadasef.com/