This is a very good book if you want to learn about circuit analysis from the start. The only mathematical prerequisite is a good knowledge of algebra. A little bit of trigonometry is used (just sine and cosine) but it is explained before it's usage. Calculus is not required, it is only mentioned in passing that it can be used to calculate the transient behavior of capacitors and inductors. Complex numbers are used extensively to describe AC circuits, but their usage is explained, including some excercises (for more resources please see the Complex Numbers page). Prior knowledge of electronics is not required, basic concepts like current and voltage are carefully explained.

The text first explains the analysis of DC circuits: KVL and KCL, Mesh and Nodal Analysis, the Superpostion, Thevenin, Norton and Millmans Theorem. Then circuits with capacitors and inductors are discussed, first their transient response and then, after an introduction to complex numbers, their steady state response. The analysis methods that were introduced for DC circuits are repeated for AC circuits, dependent sources are also considered for mesh and nodal analysis. Decibels and Bode plots are also introduced, there is also an introduction to system analyis with z, y, and hybrid parameters.

The explanations in the text are accompanied by many examples with solutions, at the end of each chapter are many problems with answers to selected problems.

Sunghoon Jang has created two course modules that are based on the instuctors material from Boylestads book: ET162 Circuit Analysis covers DC circuits, ET242 Circuit Analysis II covers AC circuits. You can get a good idea about the topics that are in Boylestads book by looking at the two course modules. But, if you seriously want to study linear circuit analysis, I would recommend to use the book instead - the course modules contain explanations and some examples, but no problems.

You should also take a look at some recommendations for other books and resources on basic linear circuit analysis.

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