There are 20 tracked Field Guide Pages in The Library Annex (plus one other in this area related to a quest that’s not listed here). These pages require different spells and may involve puzzles or challenges.
1. Portrait of Sir Cadogan
Requires: Revelio
Location: Viaduct Entrance (Second Floor Walkway)
How to Find: Found on the walkway above the Viaduct Entrance, reached by going east from Central Hall.
2. Palmistry Model
Requires: Revelio
Location: Divination Classroom
How to Find: At the top of the spiral staircase from the Viaduct Entrance, a ladder will drop as you approach.
3. Central Hall Fountain
Requires: Revelio
Location: Central Hall (Middle of Room)
How to Find: In the center of the Central Hall, near the Floo Flame.
4. Statue of Gregory the Smarmy
Requires: Revelio
Location: Central Hall (Southwestern Entrance, near Potions Classroom)
How to Find: Near the staircase leading up to the Central Hall fountain, close to the Potions Classroom Floo Flame.
5. Professor Sharp’s Auror Badge
Requires: Revelio
Location: Potions Classroom (Back of the Room)
How to Find: On a table in the back of the Potions Classroom, accessed via Central Hall.
6. Greenhouse Tree
Requires: Revelio
Location: Greenhouses (Near Greenhouses Floo Flame)
How to Find: Located in the center of the Greenhouse, northeast of Central Hall.
7. Dirigible Plums
Requires: Revelio
Location: Greenhouses (Easternmost Greenhouse, Ground Floor)
How to Find: Enter the easternmost greenhouse, and find the tree through a door on the ground floor.
8. Arithmancy Classroom
Requires: Revelio
Location: Arithmancy Classroom (Behind a Puzzle Door, Viaduct Entrance)
How to Find: Solve the Arithmancy Door Puzzle near the Divination Floo Flame.
9. Central Hall Moth Frame
Requires: Lumos
Location: Central Hall (Southwest Corner, Near Gregory the Smarmy Statue)
How to Find: Activate Lumos in front of the painting and guide the moth back to the frame.
10. Library Moth Frame
Requires: Lumos
Location: Library (Second Floor, Southern Corner)
How to Find: Activate Lumos and guide the moth from the librarian’s portrait back to the frame.
11. Central Hall Flying Page #1
Requires: Accio
Location: Central Hall (High Above the Upper Balconies)
How to Find: Flying high near the ceiling, use Accio to grab it.
12. Central Hall Flying Page #2
Requires: Accio
Location: Central Hall (Near Gregory the Smarmy Statue, Southwest Section)
How to Find: Flying around the statue, near the Transfiguration Courtyard exit.
13. Viaduct Entrance Flying Page
Requires: Accio
Location: Viaduct Entrance (High Up in the Rafters, Near Divination Classroom)
How to Find: Floating near the ceiling, moving along the walkway.
14. Library Flying Page
Requires: Accio
Location: Library (Second Floor, Flying Between the Wings)
How to Find: Flying between the wings of the Library, use Accio to grab it.
15. Central Hall Dragon Brazier
Requires: Incendio
Location: Central Hall (Northern Balcony, Overlooking Greenhouses Entrance)
How to Find: Light the dragon-shaped brazier with Incendio.
16. Enchanted Books
Requires: Revelio
Location: Library (Restricted Section, Bottom Floor)
How to Find: In the Restricted Section, accessed during a main quest with Sebastian Sallow.
17. Restricted Section Statue
Requires: Levioso
Location: Library (Restricted Section, Lower Stairs)
How to Find: Use Levioso on the statue holding an orb.
18. Central Hall Statue
Requires: Levioso, Alohomora (Level 1)
Location: Central Hall (Northeast, Behind a Level 1 Locked Door)
How to Find: Unlock the door near the Greenhouses entrance, then cast Levioso on the statue inside.
19. Long Gallery Moth Frame
Requires: Lumos, Alohomora (Level 1)
Location: Long Gallery (Hallway Between Library Annex & Bell Tower Courtyard)
How to Find: Unlock the door, activate Lumos, and return the moth to the frame.
20. Gorgon Portrait
Requires: Revelio, Alohomora (Level 1)
Location: Long Gallery (Behind an Arithmancy Puzzle Door, Near Bell Tower Courtyard)
How to Find: Solve the Arithmancy Puzzle Door and find the painting inside.
And there you have it– another collection of Hogwarts' best-kept secrets uncovered! But don’t stop here!
There are plenty more Field Guide pages waiting to be discovered across the castle on the road to 150 and the Collector’s Edition achievement. Be sure to check out our other Field Guide Location guides. Gotta catch ‘em all!