I've read only three of these books--Ring of Endless Light, Hanging Out with Cici (now renamed My Mother was Never a Kid, and Have Space Suit Will Travel, but I love each of them enough that I still have my original copies on my bookshelf. Many of the rest of the ten sound great too. From the io9 website article:

Fans have been waiting over 20 years for a movie version of Lois Lowry's The Giver, and we're finally getting one this weekend. But this isn't the only classic novel that's overdue for a movie adaptation. Here are 10 beloved YA novels that would make for incredible movies... and why they probably won't get adapted.

A note: All of these books will be spoiled.

Link

Lee was the writer and co-director of Frozen,  and I am SO EXCITED that she's writing the screenplay to one of my very favorite books. There is SO MUCH that can go wrong with an adaption, but this is a very promising beginning.