Wings of Fire
Percy Jackson/Heroes of Olympus
School for Good and Evil
The Land of Stories
The Forbidden Library
100

Every WOF book in order (Not Prequels)

What is The Dragonet Prophecy, The Lost Heir, The Hidden Kingdom, The Dark Secret, The Brightest Night, Moon Rising, Winter Turning, Escaping Peril, Talons of Power, Darkness of Dragons, The Lost Continent, The Hive Queen, The Poison Jungle, The Dangerous Gift, The Flames of Hope?

100

The first monster Percy kills

What is a fury?

100
The name of Sophie and Agatha's village 

What is Gavaldon?

100

Alex and Conner's Mother 

Who is Charlotte Bailey?

100

The first creature Alice fights

What is the Swarm?
200

These are the three humans followed in Dragonslayer in order of chapter

Who are Wren, Leaf, and Ivy?

200

All the demigods on the Argo II

Who are Jason, Piper, Annabeth, Percy, Frank, Leo, and Hazel?

200

Sophie ends up being with them at the very end

Who is Hort?

200

Froggys real identity

Who is Charlie Charming?

200

The first Labyrinthine introduced

Who is Ending?

300

The third line in the Jade Mountain prophecy

What is Beware the Talons of Power and Fire?
300

Nico secretly loved him

Who is Percy?

300

They teach the class Curses and Death Traps

Who is Lady Lesso and/or Sophie?

300

Jack and Goldilocks child

Who is Hero?
300

The name of the third Forbidden Library book

What is The Palace of Glass?

400

All of Clays family members named

Who are Cattail, Asha, Umber, Sora, Marsh, Crane, Reed, and Pheasant? 

400

The monster Percy fought on the Gateway Arch

What is the Chimera?

400

All of the school towers

What are Honor, Purity, Charity, Valor, Mischief, Malice, and Vice?

400

It is below the Dwarf Forests and west of the Charming Kingdom

What is the Corner Kingdom?
400

The full name of Ashes

What is Ashes-Drifting-Through-The-Dead-Cities-Of-The-World?
500

The first villain death

Who is Whirlpool?

500

The Twelve Olympian Gods

Who are Zeus, Posiden, Hera, Demeter, Artemis, Apollo, Ares, Hermes, Hephaestus, Aphrodite, Dionysus, and Athena?

500

The names of Sophie's parents and Agatha's parents (Biological)

Who are Stefan and Vanessa?

500

They did not return

Who is Alex?

500
Every creature Alice has bound

What is the Swarm, Spike, the Dragon, the Devilfish, and the Tree Sprite?