Acknowledgements
The authors and publishers acknowledge the following sources of copyright material and are grateful for the permissions granted. While every effort has been made, it has not always been possible to identify the sources of all the material used, or to trace all copyright holders. If any omissions are brought to our notice, we will be happy to include the appropriate acknowledgements on reprinting and in the next update to the digital edition, as applicable.
Key: U = Unit, W = Worksheet, V = Video.
Literature Worksheets
Photography
The following images are sourced from Getty Images.
W1: whitemay/DigitalVision Vectors; W2: Universal History Archive/Universal Images Group; W3: DE AGOSTINI PICTURE LIBRARY; W4: Frédéric Soltan/Corbis News; W5: Universal History Archive/UIG.
Speaking Worksheets
Photography
The following images are sourced from Getty Images.
W1: JohnnyGreig/E+; Derek Latta/Photodisc; W2: Juanmonino/iStock/Getty Images Plus; W4: BSIP/Universal Images Group; Robert Alexander/Archive Photos; W5: Wavebreakmedia/iStock/Getty Images Plus.
Writing Worksheets
Photography
The following images are sourced from Getty Images.
W1: dcdebs/E+; W2: Ismailciydem/iStock/Getty Images Plus; W4: Rich Townsend/iStock Editorial / Getty Images Plus; W5: FatCamera/iStock/Getty Images Plus.
Culture Video Worksheets
Video Stills
The following stills are sourced from Getty Images.
V1: Skyworks Places/Image Bank Film; OmniMovi Ltd/Corbis Video; Skyworks Places/Image Bank Film; Stalwart Films/Image Bank Film; V2: Energy Films Library/Image Bank Film; Mr. Big Film/ one80: Signature; kali9/Creatas Video; V3: Roland Diaz/Archive Films: Creative; Getty Images Video/Getty Images Entertainment Video; AscentXmedia/Vetta; V4: Geoff Tompkinson/one80; on the go/Moment Video RR; Erik Van Ingen/DigitalVision; David Fortney/Image Bank Film; V5: halbergman/Creatas Video; artsguru/Creatas Video; BBC Natural History/BBC Creative.
Video Worksheets
Photography
The following images are sourced from other libraries.
U17: Sinibomb Images/Alamy; Adrian Sherratt/Alamy.
Illustrations
Garry Parsons, Tom Croft.
Video stills by Purple Door Media Ltd.
The publishers are grateful to the following contributors: author Literature worksheets: Daniel Brint; author Speaking and Writing worksheets: Sheila Dignen; author Culture video worksheets: Lucy Torres; author video worksheets: Laura Clyde; author Review games: Simon Harwood; author Grammar worksheets: Enda and Catt Scott; author Vocabulary worksheets: Jennifer Hillhouse; audio recordings: produced by Leon Chambers and recorded at the SoundHouse Studios, London.