This open access book bridges a gap between introductory Quantum Field Theory (QFT) courses and state-of-the-art research in scattering amplitudes. It covers the path from basic definitions of QFT to amplitudes, which are relevant for processes in the Standard Model of particle physics. The book begins with a concise yet self-contained introduction to QFT, including perturbative quantum gravity. It then presents modern methods for calculating scattering amplitudes, focusing on tree-level a...

Old Liston. A quiet rural town which plays host to the most incredible, ridiculous and unsavoury characters ever to congregate in one place. A town where the local wizard steals from the supermarket, a beggar can make a tidy living from belching in the street and the vicar organises drunken stag parties. Throw in a fierce and violent rivalry with the neighbouring town, a twelve foot tall aeroplane pilot and a badger in a suit and you have the recipe for the funniest book ev...

Old Liston. A quiet rural town which plays host to the most incredible, ridiculous and unsavoury characters ever to congregate in one place.A town where the local wizard steals from the supermarket, a beggar can make a tidy living from belching in the street and the vicar organises drunken stag parties.Throw in a fierce and violent rivalry with the neighbouring town, a twelve foot tall aeroplane pilot and a badger in a suit and you have the recipe for the funniest book ever...

The Decameron is one of the greatest literary works of the Middle Ages. Ten young people have fled the terrible effects of the Black Death in Florence and, in an idyllic setting, tell a series of brilliant stories, by turns humorous, bawdy, tragic and provocative. This celebration of physical and sexual vitality is Boccaccio’s answer to the sublime other-worldliness of Dante’s Divine Comedy.

WOW Facts! are specifically written for struggling readers. 1915. German Zeppelin airships were bombing London and nothing could be done about it. They flew too high up for the British biplanes to shoot them down. But they did have one major weakness.They were filled with explosive gas.

WOW Facts! are speciafically written for struggling readers. A lost island cut off from the outside world by swirling currents. With craggy volcanoes and thorny jungles, legend had it that the place was home to dragons. This is the story of how an explorerset out to catch one of them.

Brought to you by Penguin.As she walks out of her marriage, a woman remembers the day her husband rescued a boy from drowning.A blind man on his wedding day celebrates the pursuit of love.And a young man leaves prison with only one desire - to see his son again.Kit de Waal's characters light up the page in vivid stories of thwarted desire, love and loss. With power and precision, humanity and insight, Supporting Cast captures the extr...

Perfect for pupils with a low reading age of 8 to 9, but a high interest age of 12 to 15, our Teen Reads will have readers on the edge of their seats. Just the right level of challenging vocabulary and plot-lines make these books highly accessible, drawing readers into exciting worlds whilst simultaneously developing their reading skills. Joe lives close to a dark and eerie wood. A mining company has been working there, fracking for shale gas. Some of the locals are up in arms about it, bu...

Perfect for pupils with a low reading age of 8 to 9, but a high interest age of 12 to 15, our Teen Reads will have readers on the edge of their seats. Just the right level of challenging vocabulary and plot-lines make these books highly accessible, drawing readers into exciting worlds whilst simultaneously developing their reading skills. Joe lives close to a dark and eerie wood. A mining company has been working there, fracking for shale gas. Some of the locals are up in arms about it, bu...