Horrible Histories 10 books set
Titles in this set

Awful Egyptians
Rotten Romans
Measly Middle Age
Vicious Vikings
Terrifying Tudors
Vile Victorians
Frightful First World War
Woeful Second World War

Horrible Science 20 books set
Titles in this set

Sounds Dreadful,
Space,Stars and Slimy Aliens
Terrible Truth About Time
Viclous Veg
Painful Poison
Microscoplc Monsters
Killer Energy
Frightening Light
Fight for Flight
Angry Animals
Evolove or Die
Disgusting Digestion
Deadly Diseases
Chemical Chaos
Bulging Brains
Blood, Bones and Body Bits
Fatal Forces
Shocking Electricity
Nasty Nature
Ugly Bugs

Horrible Geography Collection 12 Books Set
Titles in This Set

Wild Islands
Violent Volcanoes
Stormy Weather
Raging Rivers
Perishing Poles
Odious Oceans
Monster Lakes
Freaky Peaks
Earth-shattering Earthquakes
Desperate Deserts
Cracking Coasts
Bloomin' Rainforests

Murderous Maths Collection 10 Books Set
Titles in This Set

The Phantom X
Desperate Measures
The Perfect Sausage and Other Fundamental Formulas
Guaranteed to Bend your Brain
Do you Feel Lucky?
Awesome Arithmetricks
Savage Shapes
Guaranteed to Mash your Mind
The Key to the Universe
Easy Questions, Evil Answers