Monster Security Agency

Book Series

by Cassie Alexander
Latest: 2026

Book 1

Guarded by the Golem

Guarded by the Golem

by Cara Wylde
3.3 (3)
Jan 10, 2024
English
Kindle (211 pages)
Want To Read

Book 2

Guarded by the Snake

Guarded by the Snake

by Layla Fae
4.0 (4)
Jan 24, 2024
English
Kindle (246 pages)
Want To Read

Book 3

Guarded by the Spider

Guarded by the Spider

by Cassie Alexander, Jonathan Lake, Avery Caris
3.8 (4)
Jan 31, 2024
English
Audiobook (7 min)
Want To Read

Book 4

Guarded by the Kraken

Guarded by the Kraken

by Cassie Alexander
2.5 (2)
Jul 10, 2024
English
Kindle (458 pages)
Want To Read

Book 5

Guarded by the Leshy: Monster Security Agency

Guarded by the Leshy: Monster Security Agency

by Cara Wylde
3.0 (2)
Jul 31, 2024
English
Paperback (353 pages)
Want To Read

Book 6

Guarded by the Vodnik

Guarded by the Vodnik

by Layla Fae
4.5 (1)
Jul 24, 2024
English
Kindle (269 pages)
Want To Read

Book 7

Guarded by the Phantom

Guarded by the Phantom

by Layla Fae
4.5 (2)
Oct 30, 2024
English
Kindle (260 pages)
Want To Read

Book 8

Guarded by the Nightmare: Monster Security Agency

Guarded by the Nightmare: Monster Security Agency

by Cassie Alexander, Jonathan Lake, Avery Caris
4.0 (1)
Oct 17, 2024
English
Audiobook
Want To Read

Book 9

Guarded by the Reaper

Guarded by the Reaper

by Cara Wylde
4.0 (1)
Oct 23, 2024
English
Kindle (227 pages)
Want To Read

Book 10

Guarded by the Krampus: Monster Security Agency

Guarded by the Krampus: Monster Security Agency

by Cassie Alexander
2.0 (1)
Feb 19, 2025
English
Audiobook
Want To Read

Book 11

Guarded by the Yeti

Guarded by the Yeti

by Cara Wylde
4.0 (1)
Dec 28, 2024
English
Kindle (77 pages)
Want To Read

Book 12

Guarded by the AI: Monster Security Agency

Guarded by the AI: Monster Security Agency

by Cassie Alexander
Dec 19, 2025
English
Kindle
Want To Read

Book 13

Guarded by the Symbiote: Monster Security Agency

Guarded by the Symbiote: Monster Security Agency

by Cara Wylde
Dec 22, 2025
English
Kindle (304 pages)
Want To Read

Book 14

Guarded by the Steel Seraph: Monster Security Agency

Guarded by the Steel Seraph: Monster Security Agency

by Cara Wylde
5.0 (1)
Mar 21, 2026
English
Kindle
Want To Read

Book 15

Guarded by the Clanker: Monster Security Agency

Guarded by the Clanker: Monster Security Agency

by Layla Fae
Mar 28, 2026
English
Kindle
Want To Read