- Picture Books
- Ages 3–8
- Everyday Life

The Invisible String
A widely used comfort book about love connecting people even when they are apart. Especially useful for separation anxiety, bereavement, bedtime worries, school transitions and children who need reassurance.
- Best for3–8
- FormatPicture
- Length40 pp
- Read aloud~8 min
The vibe
What it’s like.
Style
- Conversational
- Second person
Tone
- Gentle
- Heartwarming
- Warm
- Inspirational
- Cosy
Themes
Experience meters
What’s it about?
The story.
The Invisible String offers children a simple, memorable metaphor: people who love each other are connected by an invisible string, even when they cannot see or touch one another. In the story, children wake frightened during a storm, and their mother explains that love can stretch across distance, through darkness and even beyond death. The book is direct, reassuring and easy for young children to understand, which is why it is often used by families, teachers and therapists for separation anxiety, grief and big transitions. It is not a subtle literary picture book, but it is emotionally effective and highly parent-useful. Joanne Lew-Vriethoff's illustrations support the message warmly, making abstract connection visible without overcomplicating it. This is an essential practical recommendation rather than an art-led discovery title.
Fit check
Right for your child?
Where it lands by age
- 1
- 3
- 5
- 7
- 9
- 11
- 13
- Best fit · 3–8
- Read aloud · 3–9
- Independent · 6–9
Prose load
Light
Visual support
High
Reluctant-reader friendly
Very
Read-aloud quality
Strong
Works well for
- Reading aloud
- Bedtime
- Reading together
- Reluctant readers
Preview before sharing if a child is sensitive to: grief.
Bedtime suitability
5 / 5 · Bedtime-friendly
Sensitive-child
5 / 5 · Good fit
Graphic intensity
1 / 5 · None
Best for
- Separation anxiety
- Grief support
- Comfort book
- Bedtime worries
- Parent child bond
Avoid if
- Wants subtle literary style
- Wants funny story
- Recent grief too raw
Particularly good for children who are…
- Separation anxiety
- Bereavement
- Starting school
- Bedtime battles
- Parents separating or divorcing
- Moving house
In the classroom
How it works in school.
A comforting picture book about the invisible string of love connecting us — a go-to pastoral read for separation, anxiety and loss.
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 use is reassurance — a small child who's anxious about being apart from a parent, or about loss, gets a simple physical metaphor (the string between hearts) they can actually picture. Direct, repeatable, easy to refer back to at bedtime. The picture book a child quotes back at you months later.
- Becoming invisible
- Family belonging
- Friendship and belonging
- Surviving danger
Why parents love it
The picture book to keep on the shelf for separation anxiety, bereavement, and any goodbye that's harder than expected. Therapists and school counsellors use it for a reason — the metaphor lands fast and is easy to refer back to. Not subtle, but exceptionally practical when you need it.
- Conversation starter
- Bedtime appropriate
- Educational for adult too
- Quick to read
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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