Olga Kowalska, known as @wielkibuk, is a Polish literary blogger and YouTuber who reviews books, interviews authors and recommends titles. Her channel has about 47,200 subscribers and a median of roughly 9,600 views per video, with around one upload a week. Sponsored integrations are priced at $20 to $35 per 1,000 median views, or about $190 to $340 per video.
Polish book reviewer with steady publisher-partner reviews and giveaways
- Median of about 9,600 views per video across 30 recent uploads
- About 37 percent of recent videos are sponsored by Polish publishers
- Roughly 50 uploads in the past year, with a consistent weekly rhythm
Brand fit report
Content
- Formats
- book reviews, monthly new-release roundups, author interviews, genre top-lists
- Tone
- knowledgeable, warm
- Language
- Polish
- On camera
- No, voiceover and b-roll
- Production
- Phone, natural light
- Typical length
- 8 to 20 minutes
Audience
Commercial
- Brands seen
- None yet
- Categories promoted
- book publishing
- Affiliate links
- No
Recent videos such as 'Książki na jesień 2026' and 'Kryminały na jesień 2026' carry the disclosure 'We współpracy reklamowej z Wydawnictwem' and run book giveaways with publishers.
Suitability GARM Brand Safety Floor + Suitability
Family friendly
Horror and thriller reviews, such as 'Horrory o kobietach' and 'Thrillery pełne kłamstw', include violent crime themes in the book content, not in the presentation.
We classify content, never people. No age, gender, ethnicity, religion or political views are inferred about the creator. Audience figures are estimates unless marked verified. Creators can correct anything on their profile.
Platforms
| Platform | Followers | Median views | Uploads, 90d |
|---|---|---|---|
| YouTube | 47k | 9.6k | 20 |
Benchmark score: 55 / 100
Public rule, same for everyone. How it works.
Recent videos
▶Wielkie Słowa Odc. 1: Jakub Małecki · 7.7k views
▶Słowiańskie horrory | KONKURS · 8.9k views
▶Książki inne niż wszystkie | KONKURS · 9.4k viewsLast three uploads, latest 7 days ago.
Olga Kowalska, rocznik 1986, filolog literaturoznawca. Twóczyni wyzwania książkowego: #wbbingo 📚 Pomagam odnaleźć dobre książki 📖 Blog o książkach i literaturze ➡️ Recenzje/wywiady/spotkania autorskie 💌 wielkibukblog@gmail.com ➡️ wielkibuk.com
About Wielki Buk
Wielki Buk is a Polish YouTube channel run by Olga Kowalska, a literary scholar who also writes the wielkibuk.com blog, as stated on her website. Her channel focuses on book reviews, new-release roundups, genre lists such as horror and thrillers, and author interviews. Viewers are most likely Polish adult readers interested in contemporary fiction, although this is an estimate based on channel content.
The channel uploads about once a week and has around 47,200 subscribers, with a median of roughly 9,600 views per video. Sponsored videos appear in about 37 percent of the last 30 uploads, typically with publishers and giveaways. Rates are $20 to $35 per 1,000 median views, which works out to roughly $190 to $340 per video. That CPM is comparable to or above typical paid-ad CPMs of $10 to $30, but it reaches a highly engaged reading audience.
This channel suits Polish book publishers, bookstores and reading-related brands that want credible, detailed recommendations rather than quick promotion.
Written from Wielki Buk's public YouTube profile, platform data and web mentions. Numbers updated 2026-10-19. Wielki Buk can edit or remove this page at any time.
Questions about Wielki
How much does Wielki Buk charge for a sponsored video?
Wielki Buk charges about $20 to $35 per 1,000 median views, which is roughly $190 to $340 per sponsored video based on a median of about 9,600 views. Final rates depend on the brief and the integration format.
What does Wielki Buk post about on YouTube?
Wielki Buk posts Polish-language book reviews, monthly new-release roundups, genre lists such as horror, thrillers and crime, and author interviews. Most videos run between 8 and 20 minutes.
How do I contact Wielki Buk for a brand deal?
Contact details unlock on Starbooked for $0.80. Boosted creators can be booked directly through Starbooked, so check the listing for availability.
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