diff --git a/book/book.toml b/book/book.toml
index 1356c961dc2..340da4f7c96 100644
--- a/book/book.toml
+++ b/book/book.toml
@@ -14,3 +14,4 @@ command = "mdbook-mermaid"
[output.html]
additional-js = ["mermaid.min.js", "mermaid-init.js"]
+additional-css = ["theme/css/custom.css"]
diff --git a/book/src/dev/diagrams/service-dependencies.svg b/book/src/dev/diagrams/service-dependencies.svg
new file mode 100644
index 00000000000..3ebd62bdf56
--- /dev/null
+++ b/book/src/dev/diagrams/service-dependencies.svg
@@ -0,0 +1,174 @@
+
+
+
+
+
\ No newline at end of file
diff --git a/book/src/dev/overview.md b/book/src/dev/overview.md
index 8ad85403391..f224b1a953a 100644
--- a/book/src/dev/overview.md
+++ b/book/src/dev/overview.md
@@ -1,6 +1,6 @@
# Design Overview
-This document sketches the future design for Zebra.
+This document sketches the design for Zebra.
## Desiderata
@@ -34,6 +34,46 @@ The following are general desiderata for Zebra:
lightweight applications like light wallets. Those applications
should use a light client protocol.
+## Notable Blog Posts
+- [A New Network Stack For Zcash](https://www.zfnd.org/blog/a-new-network-stack-for-zcash)
+- [Composable Futures-based Batch Verification](https://www.zfnd.org/blog/futures-batch-verification)
+- [Decoding Bitcoin Messages with Tokio Codecs](https://www.zfnd.org/blog/decoding-bitcoin-messages-with-tokio-codecs)
+
+## Service Dependencies
+
+Note: dotted lines are for "getblocktemplate-rpcs" feature
+
+
+{{#include diagrams/service-dependencies.svg}}
+
+
+
+
## Architecture
Unlike `zcashd`, which originated as a Bitcoin Core fork and inherited its
@@ -278,7 +318,8 @@ verify blocks or transactions, and add them to the relevant state.
#### Internal Dependencies
- `zebra-chain` for data structure definitions
-- `zebra-network` possibly? for definitions of network messages?
+- `zebra-node-services` for shared request type definitions
+- `zebra-utils` for developer and power user tools
#### Responsible for
diff --git a/book/src/dev/rfcs/0001-pipelinable-block-lookup.md b/book/src/dev/rfcs/0001-pipelinable-block-lookup.md
index 94ce707abd3..0dc24a22042 100644
--- a/book/src/dev/rfcs/0001-pipelinable-block-lookup.md
+++ b/book/src/dev/rfcs/0001-pipelinable-block-lookup.md
@@ -1,7 +1,7 @@
- Feature Name: Pipelinable Block Syncing and Lookup
- Start Date: 2020-07-02
-- Design PR: [rust-lang/rfcs#0000](https://github.com/rust-lang/rfcs/pull/0000)
-- Rust Issue: [rust-lang/rust#0000](https://github.com/rust-lang/rust/issues/0000)
+- Design PR: [ZcashFoundation/zebra#583](https://github.com/ZcashFoundation/zebra/pull/583)
+- Zebra Issue: [ZcashFoundation/zebra#504](https://github.com/ZcashFoundation/zebra/issues/504)
# Summary
[summary]: #summary
diff --git a/book/theme/css/custom.css b/book/theme/css/custom.css
new file mode 100644
index 00000000000..62fb70f38ea
--- /dev/null
+++ b/book/theme/css/custom.css
@@ -0,0 +1,15 @@
+#service-dep-diagram {
+ display: block;
+ margin: 0px auto;
+}
+
+#service-dep-diagram a:hover {
+ text-decoration: none;
+ opacity: 0.65;
+}
+
+html.navy #service-dep-diagram,
+html.ayu #service-dep-diagram,
+html.coal #service-dep-diagram {
+ filter: invert(1);
+}
\ No newline at end of file