diff --git a/RELEASES.md b/RELEASES.md
index a8ef31e0..33c4418a 100644
--- a/RELEASES.md
+++ b/RELEASES.md
@@ -9,6 +9,11 @@ Breaking changes
 
 * The trait function `ModuleResolver::resolve` no longer takes a `Scope` as argument.
 
+Enhancements
+------------
+
+* [The Rhai Book](https://schungx.github.io/rhai) is online.  Most content in the original `README` was transferred to the Book.
+
 
 Version 0.15.1
 ==============
diff --git a/doc/src/language/logic.md b/doc/src/language/logic.md
index 057408b5..7867a3d8 100644
--- a/doc/src/language/logic.md
+++ b/doc/src/language/logic.md
@@ -36,13 +36,13 @@ ts != 42;               // true - types cannot be compared
 Boolean operators
 -----------------
 
-| Operator | Description                           |
-| -------- | ------------------------------------- |
-| `!`      | Boolean _Not_                         |
-| `&&`     | Boolean _And_ (short-circuits)        |
-| `||`     | Boolean _Or_ (short-circuits)         |
-| `&`      | Boolean _And_ (doesn't short-circuit) |
-| `|`      | Boolean _Or_ (doesn't short-circuit)  |
+| Operator          | Description                           |
+| ----------------- | ------------------------------------- |
+| `!`               | Boolean _Not_                         |
+| `&&`              | Boolean _And_ (short-circuits)        |
+| <code>\|\|</code> | Boolean _Or_ (short-circuits)         |
+| `&`               | Boolean _And_ (doesn't short-circuit) |
+| <code>\|</code>   | Boolean _Or_ (doesn't short-circuit)  |
 
 Double boolean operators `&&` and `||` _short-circuit_, meaning that the second operand will not be evaluated
 if the first one already proves the condition wrong.
diff --git a/doc/src/rust/print-custom.md b/doc/src/rust/print-custom.md
index 87b13c4b..53996fe0 100644
--- a/doc/src/rust/print-custom.md
+++ b/doc/src/rust/print-custom.md
@@ -6,11 +6,11 @@ Printing for Custom Types
 To use custom types for [`print`] and [`debug`], or convert its value into a [string], it is necessary that the following
 functions be registered (assuming the custom type is `T : Display + Debug`):
 
-| Function    | Signature                                        | Typical implementation                | Usage                                                                                   |
-| ----------- | ------------------------------------------------ | ------------------------------------- | --------------------------------------------------------------------------------------- |
-| `to_string` | `|s: &mut T| -> ImmutableString`                 | `s.to_string().into()`                | Converts the custom type into a [string]                                                |
-| `print`     | `|s: &mut T| -> ImmutableString`                 | `s.to_string().into()`                | Converts the custom type into a [string] for the [`print`](#print-and-debug) statement  |
-| `debug`     | `|s: &mut T| -> ImmutableString`                 | `format!("{:?}", s).into()`           | Converts the custom type into a [string] for the [`debug`](#print-and-debug) statement  |
-| `+`         | `|s1: ImmutableString, s: T| -> ImmutableString` | `s1 + s`                              | Append the custom type to another [string], for `print("Answer: " + type);` usage       |
-| `+`         | `|s: T, s2: ImmutableString| -> ImmutableString` | `s.to_string().push_str(&s2).into();` | Append another [string] to the custom type, for `print(type + " is the answer");` usage |
-| `+=`        | `|s1: &mut ImmutableString, s: T|`               | `s1 += s.to_string()`                 | Append the custom type to an existing [string], for `s += type;` usage                  |
+| Function    | Signature                                                     | Typical implementation                | Usage                                                                                   |
+| ----------- | ------------------------------------------------------------- | ------------------------------------- | --------------------------------------------------------------------------------------- |
+| `to_string` | <code>\|s: &mut T\| -> ImmutableString</code>                 | `s.to_string().into()`                | Converts the custom type into a [string]                                                |
+| `print`     | <code>\|s: &mut T\| -> ImmutableString</code>                 | `s.to_string().into()`                | Converts the custom type into a [string] for the [`print`](#print-and-debug) statement  |
+| `debug`     | <code>\|s: &mut T\| -> ImmutableString</code>                 | `format!("{:?}", s).into()`           | Converts the custom type into a [string] for the [`debug`](#print-and-debug) statement  |
+| `+`         | <code>\|s1: ImmutableString, s: T\| -> ImmutableString</code> | `s1 + s`                              | Append the custom type to another [string], for `print("Answer: " + type);` usage       |
+| `+`         | <code>\|s: T, s2: ImmutableString\| -> ImmutableString</code> | `s.to_string().push_str(&s2).into();` | Append another [string] to the custom type, for `print(type + " is the answer");` usage |
+| `+=`        | <code>\|s1: &mut ImmutableString, s: T\|</code>               | `s1 += s.to_string()`                 | Append the custom type to an existing [string], for `s += type;` usage                  |