KDP categories · Top KDP authors
Signature Spark: Amazon KDP author data
As of Nov 6, 2026, Signature Spark has 9 books on Amazon, 8 of them on a best-seller list in the last 30 days (best rank #15), mostly in Antiques & Collectibles, Autographs, Theme Parks.
| Median price | $9.99 |
|---|---|
| Price range (middle 50%) | $8.99 – $9.99 |
| Median reviews | 8 |
| Total reviews | 120 |
| New listings (30 days, incl. new editions) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 89% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
Signature Spark's best-ranked books
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Star Encounters & Planet Wars Autograph Book: A Signature and Photo Book for Kids Meeting Space Heroes, Droids, & Villains in Epic Theme Park Adventures (Magical Memories)
by Signature Spark
- Price$8.99
- Rating5.0
- Reviews7
-
My Universal Autograph Book: Studios Theme Park Signature Collection for Kids to Gather Character Autographs and Photos on Their Universal Adventure Trip (Magical Memories)
by Signature Spark
- Price$9.99
- Rating4.6
- Reviews6
-
My Universal Autograph Book: Studios Theme Park Signature Book for Kids to Collect Character Autographs and Photos on Their Universal Adventure Trip (Magical Memories)
by Signature Spark
- Price$9.99
- Rating4.8
- Reviews9
-
Eki Stamp Book Japan: A Japan Travel Essentials Journal for Stamp Collecting, Train Adventures, and Memorable Stops at Japanese Train Stations
by Signature Spark
- Price$8.99
- Rating5.0
- Reviews3
-
Autograph Book 2025: Magical Memory Book for Kids – Collect Favorite Princess, Character & Park Signatures and Photos from Your World Vacation Adventure
by Signature Spark
- Price-
- Rating4.7
- Reviews34
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Autograph Book 2025: Magical Memories for Kids | Collect Favorite Princess, Character & Park Signatures and Photos from Your World Vacation Adventure
by Signature Spark
- Price-
- Rating4.9
- Reviews18
-
Cruise Autograph Book 2025: Essential Must Have Item for Your Magical Family Vacation – Collect Autographs & Photos Onboard Your Cruise Line Adventure & Character Encounters (Autographs at Sea)
by Signature Spark
- Price-
- Rating4.9
- Reviews8
-
Cruise Autograph Book 2025: Magical Memory Book for Kids – Collect Favorite Character, Princess & Cruise Signatures and Photos from Your 2025 Family Vacation at Sea (Autographs at Sea)
by Signature Spark
- Price-
- Rating4.6
- Reviews35
-
Retirement Message Book Hardcover: Guest Book for Retirement Party | A Stylish Memory Keepsake for Well Wishes, Signatures, and Messages from Friends, Family, and Colleagues
by Signature Spark
- Price$16.99
- Reviews-
Main categories
FAQ
How many books does Signature Spark have on Amazon?
KDPTop tracks 9 of their books; 8 made an Amazon list in the last 30 days.
Which categories does Signature Spark publish in?
Their books chart most often in Antiques & Collectibles, Autographs, Theme Parks.
How does Signature Spark price their books?
The median price is $9.99; half of the books cost $8.99–$9.99.
Has Signature Spark released new books recently?
0 new books in the last 30 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.