Hippo

Queen Victoria And Her Amusements (Dead Famous)

By Alan MacDonald, Clive Goddard, Philip Reeve

Explosive Experiments (Horrible Science)

By Arnold, Nick, De Saulles, Tony

The USA (Horrible Histories Special)

By Deary, Terry, Brown, Martin

Bloomin' Rainforests (Horrible Geography)

By Ganeri, Anita, Phillips, Mike

Horatio Nelson and His Victory (Dead Famous)

By Reeve, Philip

Bulging Brains (Horrible Science)

By Arnold, Nick

Isaac Newton and his Apple (Dead Famous)

By Poskitt, Kjartan

A Shot in the Dark (Time Rangers # 1)

By Rob Childs, Kenny McKendry

Chemical Chaos (Horrible Science)

By Arnold, Nick, Nick Arnold

Nasty Nature (Horrible Science)

By Arnold, Nick, De Saulles, Tony

The Angry Aztecs (Horrible Histories)

By Terry Deary, Martin Brown

Fatal Forces (Horrible Science)

By Arnold, Nick

Disgusting Digestion (Horrible Science)

By Arnold, Nick

Sounds Dreadful (Horrible Science)

By Arnold, Nick

Vicious Veg (Horrible Science)

By Arnold, Nick

The Twentieth Century (Horrible Histories Special)

By Deary, Terry, Reeve, Philip, Terry Deary

Evolve Or Die (Horrible Science)

By Gates, Phil

Dark Knights and Dingy Castles (Horrible Histories Special)

By Deary, Terry

Odious Oceans (Horrible Geography)

By Ganeri, Anita

Violent Volcanoes (Horrible Geography)

By Ganeri, Anita

Rowdy Revolutions (Horrible Histories Special)

By Deary, Terry

Night of the Living Dummy

By Stine, R. L.

The Haunted Mask

By Stine, R. L.

Blood, Bones And Body Bits (Horrible Science)

By Arnold, Nick, Nick Arnold

Ugly Bugs (Horrible Science)

By Arnold, Nick, Nick Arnold

Return to Oz: Storybook

By Salway, Lance, Dennis, Gill

The Angry Aztecs

By Terry Deary, Martin Brown

Horrible Histories The Barmy British Empire

By Unknown, Deary, Terry

The Spring Book

By Troy Alexander

Fearsome Fight for Flight (Horrible Science)

By Arnold, Nick, De Saulles, Tony