Son of Doctor Esker's Notebook (The Sequel)

Hint
Small #1	338	643	433	392	357	209	417	406	155	316
Small #2	336	659	437	407	344	171	408	420	168	297
Small #3	299	638	402	415	357	159	394	408	150	283
Medium #1	330	666	401	410	297	145	394	442	150	299
Medium #2	311	643	345	393	296	145	358	440	141	307
Medium #3	317	658	310	389	240	135	341	444	142	275
Large #1	272	724	322	425	210	159	327	456	162	318
Large #2	254	687	282	428	250	154	287	432	150	299
Large #3	239	571	302	327	222	211	317	440	162	358

Return of Doctor Esker's Notebook (The Other Sequel)

Hint
Small #1	128	188	171	71	159	112	80	105	142	111
Small #2	118	181	164	64	167	106	79	102	142	110
Small #3	113	187	169	64	161	95	77	108	133	115
Medium #1	115	179	183	78	170	99	84	109	160	117
Medium #2	114	169	191	75	165	95	93	104	153	102
Medium #3	117	171	189	77	161	85	80	104	134	105
Large #1	118	179	210	82	170	79	78	105	110	126
Large #2	81	159	173	81	185	70	87	98	102	131
Large #3	78	162	164	99	156	73	75	71	73	125

Doctor Esker's Notebook IV: The Moroccan Affair
(The Other Other Sequel)

Hint
Small #1	23	23	29	56	48	52	33	60	72	25
Small #2	23	23	27	52	50	52	32	61	60	25
Small #3	20	22	26	52	47	65	29	59	67	28
Medium #1	21	20	27	59	48	61	31	58	66	29
Medium #2	17	16	27	59	41	48	28	55	70	21
Medium #3	14	16	28	48	39	44	31	51	75	23
Large #1	14	14	28	44	37	52	27	50	54	25
Large #2	12	15	29	34	27	41	23	45	37	24
Large #3	19	20	25	39	27	43	30	44	35	34

The hints are sorted by how much help they give you.
The last Large Hint on each page comes very close to just giving you the solution.