Discover the hard science that will help you cycle faster, endure for longer, and reach your peak of fitnessWhat causes an energy “bonk”? How do you avoid “cracking” on a climb? How does training differ for a mountain bike race compared to a road race? Is the peloton a superorganism?Learn how to analyze key factors such as pedal stroke, fueling strategies, bike positioning, threshold power, and race tactics. Follow training plans tailored to different abili...

A distress signal calls the Eleventh Doctor and the TARDIS to the Black Horizon, a spaceship under attack from the Empire of Eternal Victory. But the robotic scavengers are the least of the Doctor's worries. Something terrifying is waiting to trap him in space . . .

Exciting action-packed original fiction for younger Doctor Who fans, each containing two fast-paced, fun-filled adventures.A distress signal calls the TARDIS to the Black Horizon, a spaceship that is being attacked by scavengers. But the scavengers aren't the only thing the Doctor needs to worry about, there's something out there creating a Web in Space!In Terminal of Despair, the TARDIS crew find themselves trapped in a quarantine...

Old legends and new worlds collide in this magnificent Doctor Who crossover with King Arthur and His Knights of the Round Table.While investigating a strange energy in Carbury, the Tenth Doctor and Donna Noble are pulled into a different dimension, smashing a giant hole into another world in the process.As the magic of the hidden dimension slowly seeps out, the Doctor and Donna find themselves in Camelot, where a young squire, Arthur, come...

Embark on a strange and enchanting adventure with old foes and monsters in this glorious crossover of Doctor Who and The Wonderful Wizard of Oz.When a sudden tornado engulfs the TARDIS, the Thirteenth Doctor and her fam find themselves transported to the magical land of Oz. With a damaged TARDIS and an unexpected stowaway from the 1930s, their only hope of getting home is to follow the yellow brick road.But when an army of scarecrows ambus...

Exciting action-packed original fiction for younger Doctor Who fans, each containing two fast-paced fun-filled adventures.On the planet Xirrinda, terrible tiny creatures swarm down from the sky in Rain of Terror. Can the Doctor, Amy and Rory help the colonists escape from the alien infestation?The Doctor, Amy and Rory join an undersea exploration ship on the planet Hos in The Underwater War. When a virus infects the crew, they discover the ...

Exciting action-packed new original fiction for younger Doctor Who fans, starring the Eleventh Doctor with his companions Amy Pond and Rory Williams. Step Back in Time contains two fast-paced, fun-filled adventures!The Doctor, Rory and Amy take a trip to the 1966 World Cup in Extra Time. Rory ends up playing a crucial part in this historic football match, while the Doctor and Amy discover that the Doctor isn't the only alien visiting Wembley...The Wa...

Exciting action-packed new original fiction for younger Doctor Who fans, starring the Eleventh Doctor with his companions Amy Pond and Rory Williams. Monstrous Missions contains two fast-paced, fun-filled adventures!The Doctor and his friends join a group of explorers on a Victorian tramp steamer in Terrible Lizards. The explorers are searching for the Fountain of Youth, but neither they nor the treasure they seek are quite what they seem!People are mysteri...

Action-packed original fiction for younger Doctor Who fans, starring the Eleventh Doctor with his companions Amy Pond and Rory Williams. Double-fronted books each contain two fast-paced, fun-filled Doctor Who adventures! Essential reading for any young fan, combining two adventures in one book ensures fans are hooked and only too happy to read on...The Good, the Bad and the Alien/System WipeAliens have crash-landed in the Wild West and they're ready for a s...

Travel through time and space with the Twelfth Doctor in these six brand new adventures, set in a host of locations across the US and eras from throughout US history.An invisible spacecraft turns up at the Battle of New Orleans, an alien presence is detected at the 1944 D-Day landings, and ghosts take over New York's subway tunnels as they're being dug in the early 1900s...Filled with mystery, excitement and the Doctor's trademark wit, these timey-wimey stories will delight...

Action-packed original fiction for younger Doctor Who fans, starring the Eleventh Doctor with his companions Amy Pond and Rory Williams. Double-fronted books each contain two fast-paced, fun-filled adventures!Heart of Stone/Death RidersA monster made from moon rock is attacking an Earth farm in Heart of Stone. Everything it touches turns to stone - even people. Can the Doctor, Amy and Rory find out what the creature wants before it's too la...

The Eleventh Doctor and Clara land on an unknown alien planet. To the Doctor’s delight and Clara’s astonishment, it really is unknown. It’s a planet the Doctor has never seen. It’s not on any maps, it’s not referenced on any star charts or in the TARDIS data banks. It doesn’t even have a name. What could be so terrible that its existence has been erased?