Best E-book readers

This is the manufacturer's stated battery life. Most vendors report this in hours but some report it in number of page turns.

This E-book reader which tested best for Claimed battery life has the following features: HxWxD (in.), Weight (oz.), Warranty -- parts, Warranty -- labor, Notes stay with e-book, E-book store, DRM e-book formats, Unsecured e-book formats, Library loaning, Other document formats, Music formats, Photo formats, Wi-Fi, Internal memory (GB), Headphones jack, Number of memory card slots and Removable memory type.

Full touch-sensitive displays respond to light contact with a stylus, finger, or both. They provide an alternate, and sometimes more direct, method to input data and launch e-book reader features and controls. But they smudge more frequently than their non-touch counterparts.

This E-book reader which tested best for Touch screen has the following features: HxWxD (in.), Weight (oz.), Warranty -- parts, Warranty -- labor, E-book store, DRM e-book formats, Unsecured e-book formats, Library loaning, Other document formats, Music formats, Photo formats, Wi-Fi, Internal memory (GB), Number of memory card slots and Removable memory type.

Navigation includes the ability of the e-reader to rotate to landscape and portrait mode, automatically and manually bookmark a page, search for an e-book, search through an online bookstore and the presence of an accelerometer.

This E-book reader which tested best for Navigation has the following features: HxWxD (in.), Weight (oz.), Warranty -- parts, Warranty -- labor, Notes stay with e-book, E-book store, DRM e-book formats, Unsecured e-book formats, Library loaning, Other document formats, Music formats, Photo formats, Wi-Fi, Internal memory (GB), Headphones jack, Number of memory card slots and Removable memory type.

This is a rating of typical e-book formats supported as well as other typical file formats you may want to read on an e-reader. The following formats are rated; EPUB, PDF, MOBI, Word documents, TXT, RTF, JPEG and GIF.

This E-book reader which tested best for File Support has the following features: HxWxD (in.), Weight (oz.), Warranty -- parts, Warranty -- labor, Notes stay with e-book, E-book store, DRM e-book formats, Unsecured e-book formats, Library loaning, Other document formats, Photo formats, Wi-Fi, Internal memory (GB), Number of memory card slots and Removable memory type.

Readability is a measurement of how well the e-reader can be viewed in various lighting conditions. E-readers are tested in bright sunlight, a room replicating an average lit room and a dimly lit room.

This E-book reader which tested best for Readability has the following features: HxWxD (in.), Weight (oz.), Warranty -- parts, Warranty -- labor, Notes stay with e-book, Clippings stay with e-book, E-book store, DRM e-book formats, Unsecured e-book formats, Library loaning, Other document formats, Photo formats, Wi-Fi, Internal memory (GB), Number of memory card slots and Removable memory type.

Page turn is mostly a performance measurement of how quickly an e-reader can turn to the next page of an e-book. It also takes into account the page turning experience and such qualities as whether or not the screen blinks while page turning, if there are dedicated page forward and back buttons, placement of those buttons and presence of a physical keyboard.

This E-book reader which tested best for Page Turn has the following features: HxWxD (in.), Weight (oz.), Warranty -- parts, Warranty -- labor, E-book store, DRM e-book formats, Unsecured e-book formats, Internal memory (GB), Number of memory card slots and Removable memory type.

Viewable display size is the size of the display screen, measured diagonally to the nearest 10th of an inch.

This E-book reader which tested best for Viewable display size (in.) has the following features: HxWxD (in.), Weight (oz.), Warranty -- parts, Warranty -- labor, Notes stay with e-book, E-book store, DRM e-book formats, Unsecured e-book formats, Library loaning, Other document formats, Music formats, Photo formats, Wi-Fi, Internal memory (GB), Headphones jack, Number of memory card slots and Removable memory type.

Responsiveness is a speed measurement of how quickly an e-reader can turn on from full off, resume from sleep, open an e-book, and transfer an e-book from a computer via USB.

This E-book reader which tested best for Responsiveness has the following features: HxWxD (in.), Weight (oz.), Warranty -- parts, Warranty -- labor, Notes stay with e-book, E-book store, DRM e-book formats, Unsecured e-book formats, Library loaning, Other document formats, Music formats, Photo formats, Wi-Fi, Internal memory (GB), Headphones jack, Number of memory card slots and Removable memory type.

Versatility mainly includes characteristics that aid in usefulness and convenience. Those include the presence of hardware and menu-based navigation features. Also considered are the number of memory-card slots, built-in memory, power and headphones jacks, touch screen, physical keyboard, WiFi, and accelerometer among other features.

This E-book reader which tested best for Versatility has the following features: HxWxD (in.), Weight (oz.), Warranty -- parts, Warranty -- labor, Notes stay with e-book, E-book store, DRM e-book formats, Unsecured e-book formats, Library loaning, Other document formats, Music formats, Photo formats, Wi-Fi, Internal memory (GB), Headphones jack, Number of memory card slots and Removable memory type.