the third book in an exciting and spooky new series aimed at and specifically designed for reluctant readers. the thirteenth floor is fast-paced, spooky and fun, written in a highly engaging style that keeps kids flipping pages.horacio and karina just moved into the gold bug apartments in nevermore. seems nice. people there are friendly. there's even an old school elevator originally from a famous chicago hotel with buttons for fifty different floors.but not one for 13. too unlucky. not that it matters. the gold bug only has four floors anyway. or so horacio thinks. until he follows karina one night while she's sleepwalking and discovers a button for 13 after all.karina already pushed it. and now the elevator's going up. and up. and up. and where it stops, nobody knows.reluctant reader books designs books based on the science of reading: larger font, more white space, font styles and other design elements that studies have shown improve and encourage reading, especially for kids who don't like to read.