- Picture Books
- Ages 3–6
- Nature

Peek Through Nature: Sea
Book 5 of 7 in Peek Through NatureView the full series
Beneath the waves, a whole world is alive. Teckentrup's underwater illustrations are among the most gorgeous in the series, Sea takes the Peek Through format into deep water, with die-cut pages that reveal what's hidden in coral reefs and kelp forests.
- Best for3–6
- FormatPicture
- Length32 pp
- Read aloud~6 min
The vibe
What it’s like.
Style
- Rhyming
- Lyrical
- Repetitive
Tone
- Warm
- Gentle
- Whimsical
- Adventurous
- Inspirational
Themes
Experience meters
What’s it about?
The story.
From the sunlit shallows to the deep ocean floor, Patricia Hegarty's rhyming text guides readers through the layers of the sea, the darting fish near the surface, the swaying sea anemones, the secret world of the coral reef, and the creatures of the deep. Britta Teckentrup's illustrations bring the underwater world to life with her characteristic rich colour and detail, and the series' die-cut pages let readers peek through wave-shapes and bubble-holes to discover what lies below. Sea is among the most visually adventurous entries in the Peek Through Nature series, the translucent quality of the water illustrations is particularly beautiful, with light filtering through in a way that makes the underwater world feel genuinely otherworldly. A strong choice for children who are fascinated by the sea, marine life, or ocean animals, and a natural pairing with Bugs and Bee for children working through the more science-focused entries in the series.
Fit check
Right for your child?
Where it lands by age
- 1
- 3
- 5
- 7
- 9
- 11
- 13
- Best fit · 3–6
- Read aloud · 2–6
- Independent · 5–7
Prose load
Light
Visual support
Very high
Reluctant-reader friendly
Workable
Read-aloud quality
Excellent
Works well for
- Reading aloud
- Reading together
Nothing in the book is likely to concern most parents. Safe to recommend without preview.
Bedtime suitability
3 / 5 · Workable
Sensitive-child
4 / 5 · Good fit
Graphic intensity
1 / 5 · None
Best for
- Nature and wildlife
- Ocean and sea
- Educational fun
- Gift book
- Animal lovers
Avoid if
No common reasons to avoid this one — a rare clean sweep on the sensitivity flags.
Particularly good for children who are…
- Interested in science
- Interested in art and creativity
In the classroom
How it works in school.
Rhyming peek-through nature books — a lovely read-aloud companion for early science and nature topics.
A book children love that happens to support school — never a stand-in for the texts a class is taught with. Reviewed for the classroom · June 2026.
Why it lands
Why they love it.
Why kids love it
The specific delight is the descent — sunlit shallows down to the deep, fish and anemones and coral reef and creatures of the dark, die-cuts shaped like waves and bubbles letting you peek beneath each layer. The Peek Through Nature for the ocean-obsessed.
- Animal companions
- Adventure and freedom
- Secret world
Why parents love it
The Hegarty / Teckentrup Sea — translucent underwater illustration with light filtering through, layer-by-layer ocean structure, most visually adventurous entry in the series. Natural pairing with Bugs and Bee for the science-leaning household.
- Beautiful illustrations
- Educational for adult too
- Bedtime appropriate
- Conversation starter
In the series
Peek Through Nature.
7 books · open the series →
About the creators
About the creators.
If you liked this
Three ways out of this book.
If you liked this, try…
Lateral matches. Same shelf, different texture.
Come into this from…
Easier or preparing reads — perfect lead-ins.
Where to go next…
Escalation reads — a step up in scale, silliness, or stakes.
More like this…
Books that share themes and topics with this one.
Where you’ll find it
On these reading lists.
Buy or borrow
Pick up a copy.
- Bookshop.org ↗
- Waterstones ↗
- Amazon UK ↗
- Hive ↗
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