diff --git a/Cargo.lock b/Cargo.lock
index cc6c0539..1576b743 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4644,7 +4644,7 @@ version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "03c3c6b7927ffe7ecaa769ee0e3994da3b8cafc8f444578982c83ecb161af917"
 dependencies = [
- "heck 0.4.1",
+ "heck 0.5.0",
  "proc-macro2",
  "quote",
  "syn",
diff --git a/docs/book.toml b/docs/book.toml
index 8556dbb6..7b605960 100644
--- a/docs/book.toml
+++ b/docs/book.toml
@@ -3,7 +3,7 @@ authors = ["Alex Chi"]
 language = "en"
 multilingual = false
 src = "src"
-title = "Introduction to optd"
+title = "the optd book"
 
 [output.html]
 additional-css = ["custom.css"]
diff --git a/docs/src/SUMMARY.md b/docs/src/SUMMARY.md
index e73b455b..b493e45d 100644
--- a/docs/src/SUMMARY.md
+++ b/docs/src/SUMMARY.md
@@ -1,35 +1,68 @@
 # Summary
 
-# The Core Framework
+# optd book
 
-- [Optimizer](./optimizer.md)
-- [Plan Representation](./plan_repr.md)
-- [Rule Engine](./rule_engine.md)
-- [Cost Model](./cost_model.md)
-- [Properties](./properties.md)
+[Intro to optd]()
+- [The Core]()
+  - [Plan Representation]()
+  - [Memo Table]()
+  - [Cascades Framework]()
+  - [Rule IR and Matcher]()
+  - [Cost and Statistics]()
+  - [Logical Properties]()
+  - [Physical Properties and Enforcers]()
+  - [Subgoals and Winner Representation]()
+  - [Exploration Budget]()
+  - [Heuristics Optimizer]()
+- [Integration with Datafusion]()
+  - [Datafusion Plan Representation]()
+  - [Datafusion Bridge]()
+  - [Rule Engine and Rules]()
+  - [Basic Cost Model]()
+  - [Logical and Physical Properties]()
+  - [Optimization Passes]()
+  - [Miscellaneous]()
+  - [Explain]()
+- [Research]()
+  - [Partial Exploration and Re-Optimization]()
+  - [Advanced Cost Model]()
+  - [The Hyper Subquery Unnesting Ruleset]()
+- [Testing and Benchmark]()
+  - [sqlplannertest]()
+  - [sqllogictest]()
+  - [perfbench]()
+- [Debugging and Tracing]()
+  - [optd-core Tracing]()
+  - [Memo Table Visualization]()
+  - [Optimizer Dump]()
+- [Contribution Guide]()
+  - [Install Tools]()
+  - [Contribution Workflow]() 
+  - [Add a Datafusion Rule]()
+- [What's Next]()
+  - [Ideas]()
+  - [RFCs]()
+---
 
-# Integration
-
-- [Apache Arrow Datafusion](./datafusion.md)
-
-# Adaptive Optimization
-
-- [Re-optimization](./reoptimization.md)
-- [Partial Exploration](./partial_exploration.md)
-
-# Demo
-
-- [Three Join Demo](./demo_three_join.md)
-- [TPC-H Q8 Demo](./demo_tpch_q8.md)
-
-# Performance Benchmarking
-- [Cost Model Cardinality Benchmarking](./cost_model_benchmarking.md)
-
-# Functional Testing
-
-- [SQLPlannerTest](./sqlplannertest.md)
-- [Datafusion CLI](./datafusion_cli.md)
-
-# Miscellaneous
-
-- [Miscellaneous](./miscellaneous.md)
+# DEPRECATED
+- [old optd book]()
+  - [Core Framework]()
+    - [Optimizer](./optimizer.md)
+    - [Plan Representation](./plan_repr.md)
+    - [Rule Engine](./rule_engine.md)
+    - [Cost Model](./cost_model.md)
+    - [Properties](./properties.md)
+  - [Integration]()
+    - [Apache Arrow Datafusion](./datafusion.md)
+  - [Adaptive Optimization]()
+    - [Re-optimization](./reoptimization.md)
+    - [Partial Exploration](./partial_exploration.md)
+  - [Demo]()
+    - [Three Join Demo](./demo_three_join.md)
+    - [TPC-H Q8 Demo](./demo_tpch_q8.md)
+  - [Performance Benchmarking]()
+    - [Cost Model Cardinality Benchmarking](./cost_model_benchmarking.md)
+  - [Functional Testing]()
+    - [SQLPlannerTest](./sqlplannertest.md)
+    - [Datafusion CLI](./datafusion_cli.md)
+  - [Miscellaneous](./miscellaneous.md)