A Journal of Impossible Things (Human Nature)

The Journal of Impossible Things was a journal kept by John Smith of his strange dreams - actually memories from his life as the Doctor's tenth incarnation, with some memories of previous incarnations' appearances. All but Martha Jones believed these to be products of John Smith's imagination.

Inside it contained images of:
 * The Doctor's TARDIS
 * Police box
 * The TARDIS Console
 * Steaming TARDIS Console
 * Sonic screwdrivers
 * TARDIS Crystal
 * New Gallifreyan
 * Torchwood Institute Logo
 * Empty People
 * Gas Mask
 * Dalek Top
 * Dalek Saucer
 * Dalek
 * Cybus Cybermen
 * Cyberman Faceplate
 * Vortex Reapers
 * The 10 Faces of the Doctor
 * Rose Tyler
 * Family of Blood
 * Fob Watch
 * The Moxx of Balhoon
 * Wired-People
 * Autons
 * Raxacoricofallapatorian
 * Big Ben
 * Raxacoricofallapatorian Inter-Steller Transporter
 * References to the Doctor's family
 * Mighty Jagrafess of the Holy Hadrojassic Maxarodenfoe
 * Satellite Five (The Games Station)
 * Cat Nurses
 * Lupine-Wavelength-Haemovariform
 * K-9
 * Clockwork Droid
 * Martha Jones
 * Joan Redfern
 * Dalek Emperor
 * Anne Droid
 * Captain Jack Harkness
 * Pilot fish
 * Sycorax Leader
 * London Eye
 * London Eye Capsule
 * Rose's face on television set
 * Ood
 * The Beast
 * Toby Zed
 * Tenth Doctor
 * Nottingham?
 * Empire State Building
 * William Shakespeare

John Smith gave the book to Joan Redfern. In the 21st century, her great grand daughter, Verity Newman, found the journal, and later published the it. The Doctor visited a book signing.