Jag tycker särskilt om den här boken.

Because tycka om is a fixed expression meaning to like.

• tycka by itself usually means to think, to have an opinion, or to find
• tycka om means to like

So:

• Jag tycker om boken = I like the book
• Jag tycker att boken är bra = I think the book is good

Even though om is a separate word, you should learn tycka om as one unit.

Särskilt means especially or particularly.

So the sentence is saying not just I like this book, but I especially like this book.

It adds emphasis and makes the preference stronger.

In a normal Swedish main clause, the finite verb usually comes in second position. Here, tycker is the finite verb, so it stays early in the sentence:

• Jag = subject
• tycker = verb
• särskilt = adverb
• om den här boken = object phrase

So:

• Jag tycker särskilt om den här boken.

This word order is very natural in Swedish.

In Swedish, this book is commonly expressed with:

• den här
  • definite noun

So:

• den här boken = this book

Here:

• den matches the gender of the noun
• här means here, but together den här functions like this
• boken is the definite form of bok

This is one of the most common ways to say this + noun in everyday Swedish.

Yes, from an English point of view it can look repetitive, but this is normal Swedish grammar.

Swedish often uses double definiteness with words like den här, det här, and de här:

• den här boken = this book
• det här huset = this house
• de här böckerna = these books

The noun stays in the definite form:

• bok = book
• boken = the book

So even though English would not say the this book, Swedish requires this pattern.

Because bok is a common gender noun in Swedish, not a neuter noun.

Swedish has two main genders:

• en-words / common gender
• ett-words / neuter

bok is an en-word:

• en bok
• den här boken

If it were a neuter noun, you would use det här:

• ett hus
• det här huset = this house

Yes, you can, and it is natural Swedish.

• tycka om = to like
• gilla = to like

Both are common. Very roughly:

• gilla is often a bit more straightforward and everyday
• tycka om can feel slightly softer or warmer in some contexts

But in many situations they are interchangeable.

So both of these work:

• Jag tycker särskilt om den här boken.
• Jag gillar särskilt den här boken.

Not really in a literal sense. In tycka om, the word om is part of the fixed expression.

So although om often means about, if, or around in other contexts, here you should not translate word by word. It is better to learn:

• tycka om = to like

rather than trying to interpret om separately.

The basic form is bok, which means book.

Here are the forms:

• en bok = a book
• boken = the book

So in den här boken, the noun is in the definite singular form.

Yes. Denna bok also means this book.

But there is a style difference:

• den här boken sounds very common and natural in everyday speech
• denna bok is more formal, written, or literary

So in ordinary conversation, den här boken is usually the better choice.

• den här boken = this book
• den där boken = that book

So:

• här points to something close
• där points to something farther away, or something already identified as that one

This is similar to this versus that in English.

A careful pronunciation would be roughly:

yahg TYK-er SAIR-shilt om den hair BOO-ken

A few helpful notes:

• Jag often sounds more like yahg or even ya in casual speech
• tycker has a y sound that does not exist in English; it is pronounced with rounded lips
• särskilt may sound a bit like SEHR-shilt depending on accent and speaking speed
• här has a vowel somewhat like air, but not exactly the same
• boken has stress on the first syllable: BOO-ken

Exact pronunciation varies by region, but this gives a useful starting point.

Sometimes yes, but the meaning or emphasis may change a little.

The original sentence:

• Jag tycker särskilt om den här boken.

is very natural.

You may also hear things like:

• Jag tycker om den här boken särskilt mycket. = I like this book especially much / very much in particular

But for a learner, the original placement is a very good pattern to remember: subject + verb + adverb + om + noun phrase.