diff --git a/README.md b/README.md
index 7d786e1..2cfa562 100644
--- a/README.md
+++ b/README.md
@@ -18,36 +18,36 @@ New chapters in **Fluent Python 2e** are marked with 🆕.
🚨 This table of contents is subject to change at any time until the book goes to the printer.
-Part / Chapter #|Title|Directory|Notebook|1st ed. Chapter #
+Part / Chapter #|Title|Directory|1st ed. Chapter #
---:|---|---|---|:---:
**I – Prologue**|
-1|The Python Data Model|[01-data-model](01-data-model)|[data-model.ipynb](01-data-model/data-model.ipynb)|1
+1|The Python Data Model|[01-data-model](01-data-model)|1
**II – Data Structures**|
-2|An Array of Sequences|[02-array-seq](02-array-seq)|[array-seq.ipynb](02-array-seq/array-seq.ipynb)|2
-3|Dictionaries and Sets|[03-dict-set](03-dict-set)||3
-4|Text versus Bytes|[04-text-byte](04-text-byte)||4
-🆕 5|Record-like Data Structures|[05-record-like](05-record-like)||–
-6|Object References, Mutability, and Recycling|[06-obj-ref](06-obj-ref)||8
+2|An Array of Sequences|[02-array-seq](02-array-seq)|2
+3|Dictionaries and Sets|[03-dict-set](03-dict-set)|3
+4|Text versus Bytes|[04-text-byte](04-text-byte)|4
+5|Record-like Data Structures|[05-record-like](05-record-like)|🆕
+6|Object References, Mutability, and Recycling|[06-obj-ref](06-obj-ref)|8
**III – Functions as Objects**|
-7|First-Class Funcions|[07-1class-func](07-1class-func)||5
-🆕 8|Type Hints in Function Definitions|[08-def-type-hints](08-def-type-hints)||–
-9|Function Decorators and Closures|[09-closure-deco](09-closure-deco)||7
-10|Design Patterns with First-Class Functions|[10-dp-1class-func](10-dp-1class-func)||6
+7|First-Class Funcions|[07-1class-func](07-1class-func)|5
+8|Type Hints in Function Definitions|[08-def-type-hints](08-def-type-hints)|🆕
+9|Function Decorators and Closures|[09-closure-deco](09-closure-deco)|7
+10|Design Patterns with First-Class Functions|[10-dp-1class-func](10-dp-1class-func)|6
**IV – Object-Oriented Idioms**|
-11|A Pythonic Object|[11-pythonic-obj](11-pythonic-obj)||9
-12|Sequence Hacking, Hashing, and Slicing|[12-seq-hacking](12-seq-hacking)||10
-13|Interfaces, Protocols, and ABCs|[13-protocl-abc](13-protocol-abc)||11
-14|Inheritance: For Good or For Worse|[14-inheritance](14-inheritance)||12
-🆕 15|More About Type Hints|[15-more-types](15-more-types)||–
-16|Operator Overloading: Doing It Right|[16-op-overloading](16-op-overloading)||13
+11|A Pythonic Object|[11-pythonic-obj](11-pythonic-obj)|9
+12|Sequence Hacking, Hashing, and Slicing|[12-seq-hacking](12-seq-hacking)|10
+13|Interfaces, Protocols, and ABCs|[13-protocl-abc](13-protocol-abc)|11
+14|Inheritance: For Good or For Worse|[14-inheritance](14-inheritance)|12
+15|More About Type Hints|[15-more-types](15-more-types)|🆕
+16|Operator Overloading: Doing It Right|[16-op-overloading](16-op-overloading)|13
**V – Control Flow**|
-17|Iterables, Iterators, and Generators|[17-it-generator](17-it-generator)||14
-18|Context Managers and else Blocks|[18-context-mngr](18-context-mngr)||15
-19|Classic Coroutines|[19-coroutine](19-coroutine)||16
-🆕 20|Concurrency Models in Python|[20-concurrency](20-concurrency)||-
-21|Concurrency with Futures|[21-futures](21-futures)||17
-22|Asynchronous Programming|[22-async](22-async)||18
+17|Iterables, Iterators, and Generators|[17-it-generator](17-it-generator)|14
+18|Context Managers and else Blocks|[18-context-mngr](18-context-mngr)|15
+19|Classic Coroutines|[19-coroutine](19-coroutine)|16
+20|Concurrency Models in Python|[20-concurrency](20-concurrency)|🆕
+21|Concurrency with Futures|[21-futures](21-futures)|17
+22|Asynchronous Programming|[22-async](22-async)|18
**VI – Metaprogramming**|
-23|Dynamic Attributes and Properties|[22-dyn-attr-prop](22-dyn-attr-prop)||19
-24|Attribute Descriptors|[23-descriptor](23-descriptor)||20
-25|Class Metaprogramming|[24-class-metaprog](24-class-metaprog)||21
+23|Dynamic Attributes and Properties|[22-dyn-attr-prop](22-dyn-attr-prop)|19
+24|Attribute Descriptors|[23-descriptor](23-descriptor)|20
+25|Class Metaprogramming|[24-class-metaprog](24-class-metaprog)|21